1. math

    a drop of water is 0.00005 liter. write this number in scientific notation.

    asked by Anonymous on September 8, 2014
  2. math ALG 2!scientific notations helpp

    Write the following value in scientific notation. 23,000,000 Write the following value in scientific notation. 7,400,000 Write the following value in scientific notation. 0.00000021 Write the following value in scientific notation. 0.00003165 Which value

    asked by tyneisha on March 15, 2013
  3. math ALG 2!scientific notations helpp

    1.)Write the following value in scientific notation. 23,000,000 2.)Write the following value in scientific notation. 7,400,000 3.)Write the following value in scientific notation. 0.00000021 4.)Write the following value in scientific notation. 0.00003165

    asked by tyneisha on March 15, 2013
  4. math

    HELP ME!!! One of your friends missed the class on scientific notation. Describe how you would explain to your friend what it means for a number to be in scientific notation and how to convert a number from standard form to scientific notation.

    asked by drew on January 10, 2011
  5. Algebra

    The distance from the Earth to the sun is 93,000,000 miles? Write this number in scientific notation. A scientist measures a speck of sand as having a diameter of 0.00000034? Write this number in scientific notation.

    asked by WillyB on March 12, 2014
  6. PHYSICS

    Express following measurements in scientific notation. 1. a) 5800 m I don't even get what scientific notation is. In my book its ays, that in Scientific notation, the numerical part of a measurement is expressed as a number between 1 and 10 multiplied by a

    asked by Anonymous on September 8, 2011
  7. Algebra Help!!

    Find an example of scientific notation in real life Explain why the number was written in scientific notation. Create a multiplication problem with scientific notation

    asked by Katie A on October 4, 2011
  8. Math

    Hi everyone! I am extremely struggling with this questions and was hoping someone would go over them with me. Thank you! 1. Which of the following expressions is written in scientific notation? a. 73.4 x 10^5 b. 0.09 × 10^7 c. 80 x 10^3 d. 4.22 x 10^–3

    asked by Tia on January 29, 2015
  9. Math

    1. Evaluate 1/2a^-4 b^2 for a=-2 and b=4 A. 2 B. 1/2 C. 3 D. 4 2. Simplify. Write in scientific notation. (9x10^-3)^2 A. 8.1x10^-5 B. 8.1x10^-4 C. 8.1x10^-3 D. 8.1x10^-6 3. Simplify. Write in scientific notation. 0.5(8x10^5) A. 8x5^5 B. 4x5^5 C. 8x10^5 D.

    asked by BTS on February 6, 2019
  10. Algebra 1

    Plz help me with the following problems. Simplify. 5^-1(3^-2) Simplify. mn^-4/p^0q^-2 Write a scientific notation. 0.0042 Write in standard notation. 6.12*10^3 Simplify. Write in scientific notation. 0.5(8 * 10^5) Simplify. Write in scientific notation. (9

    asked by Gabby on February 5, 2014
  11. 7th grade math questions Scientific Notation

    19. Write the size of a grain of very fine sand, about 9.35 x 10^-2 cm, in standard form. 31. The population of the US is expected to be 392 million people by 2050. Write this answer in scientific notation. 37. Write 10^29 - 10^28 in scientific notation.

    asked by Delilah on September 28, 2012
  12. math((PLEASE HELP!))

    If two numbers are written in scientific notation. how can you tell which number is greater? Where on a number line does the value of a positive number in scientific notation with a negative exponent lie?

    asked by Maryam :) on November 27, 2012
  13. math

    6.4 x 10^11 + 2.85 x 10^11 ( finding the sum written in scientific notation?) - 9.25 x 10^11 (my answer) - 9.25 x 10^22 - 92.5 x 10^-10 - 92.5 x 10^12 3 x 10^20/ 4 x 10^5 (write in scientific notation) - 7.5 x 10^3 - 0.75 x 10^4 (my answer) - 7.5 x 10^14 -

    asked by Anonymous on September 5, 2014
  14. 5*10^ -4

    Write in decimal notation. Select the correct answer. 0.00005 -50000 -5000 0.0005

    asked by keke on May 25, 2012
  15. Math! Please Check My Awnser!

    Hello! I need some help with math! I have tried to do this but I am unsure about my answers. My I will identify my answers with a "

    asked by Electro on January 14, 2014
  16. science

    Chapter 1 & 2 Review Questions 1. Compare and Contrast the two main branches of physical science. 2. Distinguish between scientific laws and scientific theories. 3. Describe the steps of the scientific method. 4. Explain the objective of a consistent

    asked by jack on December 13, 2010
  17. math

    1. Which of the following expressions is written in scientific notation? 1. 73.4 x 105 2. 0.09 × 107 3. 80 x 103 4. 4.22 x 10–3 2. Which of the following is 0.0000000708 written in scientific notation? 1. 7.08 x 10–8 2. 7.8 x 10–8 3. 708 x 10–10

    asked by ruby on January 31, 2013
  18. Math PLZ HELP

    1. Which of the following expressions is written in scientific notation? 1. 73.4 x 105 2. 0.09 × 107 3. 80 x 103 4. 4.22 x 10–3 2. Which of the following is 0.0000000708 written in scientific notation? 1. 7.08 x 10–8 2. 7.8 x 10–8 3. 708 x 10–10

    asked by SAMHAM on January 31, 2013
  19. algebra

    i need help. not saying these are right, i just tried my best, could someone check them for me? (NOT ALL ARE ANSWERED) 1. (-5)^-1 A. - 1/5 ********** B. -5 C. 5 D. 1/5 2. (-8.3) ^0 A. 1 B. -1 C. 0 D. -8.3 ********** 3. -1/a^-2 A. -a^2 B. -2/a C.-2a D. a^2

    asked by kindaneedhelpASAP on February 21, 2019
  20. math...please help asap

    Solve the following; use proper fractions in your answer: 1. 1/3 + 1/4 = 7/12 2. 4/5-2/3 = 2/15 3. 5/6 * 4/5 = 2/3 4. 3/7 divided by 6/8 = 4/7 5. 3 1/4 - 1 3/8 = 1 7/8.....is this a proper fraction? 6. 5 8/9 + 2 4/7 = 8 29/63..is this a proper fraction?

    asked by anonymous on August 18, 2006
  21. Algebra

    i need help. not saying these are right, i just tried my best, could someone check them for me and just tell me the letters for the correct ones? (NOT ALL ARE ANSWERED) 1. (-5)^-1 A. - 1/5 ********** B. -5 C. 5 D. 1/5 2. (-8.3) ^0 A. 1 B. -1 C. 0 D. -8.3

    asked by uh help (SOS!) on February 22, 2019
  22. Algebra 1

    I am having trouble with a few questions....Wondering if you could help...My answers have the *** by them..... 1. A lab is growing bacteria in a culture dish. The amount of bacteria in the dish doubles every 3 hours. Initially, there are 500 bacteria in

    asked by Brittany on September 29, 2016
  23. Math or Algebra

    (I need this answer ASAP) A leak in a water tank causes the water level to decrease by 3.6×10^−2 millimeters each second. About how many millimeters does the water level in the tank decrease in 5 hours, or 1.8×10^4 seconds? Drag and drop the values to

    asked by ImNotSayingMyName on December 12, 2018
  24. math

    Multiply and write it in scientific notation. (8*10^3)*(7*10^5) A.5.6*10^16 B.5.6*10^9 C.1.5*10^16 D.1.5*10^9 Is the answer A? I really don't know how to do scientific notation😱

    asked by aloha on May 18, 2015
  25. Math

    Determine if the number is written in scientific notation. If not, explain; 3 x 100⁻⁶. A. No; it is not written as a power of 10. B. No; the first factor is not a number between 1 and 10. C. Yes; the number is written in scientific notation. I'm almost

    asked by D on March 14, 2018
  26. Math

    1. –(10)^–1 (1 point) –1/10*** -1/-1^10 1/10 10 2. 1/c^-5 (1 point) c^5 5c –c^5*** –5/c 3. What is the value of y^-5/x^-3 for x = 2 and y = –4? (1 point) 10/3 128 -1/128 –128*** 4. Is the number written in scientific notation? If not,

    asked by Bethany on April 22, 2016
  27. Math

    Use scientific notation to rewrite the number. 0.000034 3.4 x 10^5 **** 3.4 x 10^7 34 x 10^8 Am I right, or can you explain this to me? I can't do scientific notation very well:(

    asked by cAt.ExE HaS sTopPeD wORkInG on September 25, 2018
  28. Maths

    If I have two tickets for a football match. this represents 0.00005 of the total tickets sold. How many tickets were sold ? 2 is to 0.00005 as x is to 1 expressed as 2/0.00005 = x/1 cross multiply and solve for x

    asked by QAE on May 30, 2007
  29. Algebra I

    Determine if the number is written in scientific notation. 4.8 x 100^7 a. no, it is not written as a number times a power of 10 b. yes, the number is written in scientific notation **** c. no, the first factor is not a number between 1 and 10

    asked by Anonymous on February 2, 2018
  30. mth174

    A tank is full of water. Find the work W required to pump the water out of the spout. (Use 9.8 for g and 3.14 for π. If you enter your answer in scientific notation, round the decimal value to two decimal places. Use equivalent rounding if you do not

    asked by Alex on February 7, 2012
  31. Calculus 2

    A tank is full of water. Find the work W required to pump the water out of the spout. (Use 9.8 for g and 3.14 for π. If you enter your answer in scientific notation, round the decimal value to two decimal places. Use equivalent rounding if you do not

    asked by Liz on June 22, 2013
  32. Math.

    A human red blood cell is about 0.000008 meters in diameter which of the following represents this number in scientific notation -6 A. 0.8 x10 -6 B . 8.0 x 10 6 C. 0.8 x 10 6 D. 8.0 x 10 MR loya stayed that the circumference of earth at the equator is

    asked by Tessa on December 18, 2017
  33. Homework help plz( Steve or Reiny)

    Determine if the number is written in scientific notation. If not, explain 32 * 10^4. (1 point) No; it is not written as a power of 10. No; the first factor is not a number between 1 and 10. Yes; the number is written in scientific notation. Determine if

    asked by Gabby on February 20, 2014
  34. Math

    Please help with the following questions: 1. write 12 million in scientific notation 2. Write 17,600 in scientific notation 3. write 1.2 * 10 to the fourth power in standard form 4. write 5 * 10 to the sixth power in standard form

    asked by Alex on February 4, 2013
  35. scientific notation

    Write the number in scientific notation: 0.000375

    asked by Tabby on November 20, 2007
  36. Math

    How do you write the number 339.4 X 10 -10 in scientific notation?

    asked by Chad on August 27, 2013
  37. Pre-algebra

    Write the number in scientific notation. 1250=1.25x10^3

    asked by juju on November 22, 2016
  38. Maths

    Write the following number in scientific notation 2 500 001

    asked by Rudolph on February 21, 2015
  39. algebra

    How do I write this number in scientific notation 1. 8.68x10^1 2.1,900,000

    asked by kate on June 10, 2011
  40. Math

    Write each number is scientific notation. 291.7 0.0960 is it 2.917 x 10^ 3 and 9.60 x 10^-2? help!! thanks!!

    asked by Susan on September 11, 2015
  41. algebra

    write each number in scientific notation 1) 0.000089 2) 456.981

    asked by nicka on February 23, 2015
  42. MAT 116

    A moon is about 210,000 miles from the planet it orbits. Write in scientific notation. If a rocket traveled at 3 x 10^4 miles per hour, how long would it take for it to reach the moon from the planet? Write the number 210,000 in scientific notation. 210,00

    asked by CC on September 25, 2012
  43. 8th Grade Math

    Question: a) Write in standard notation: 6.3 X 10 to the ninth power. b) Write in scientific notation: 0.00000047

    asked by ... on December 8, 2011
  44. Algebra

    Write in standard notation. 6.12 X 10^3. A. 6120 B. 612 C. 61,200 D. 61.2 A Simplify and write in scientific notation. 0.5(8 X 10^5). A. 8 X 5^5 B. 4 X 5^5 C. 8 X 10^5 D. 4 X 10^5 D

    asked by Anonymous on January 27, 2014
  45. Physics

    Write each number in scientific notation: 1) 15.01 ans. Is it 15.01 x 10 minus to the power of 2?? Am i wrong?

    asked by Celina on November 24, 2010
  46. Algebra

    Write the following number in scientific notation. 50,800 I thought the answer was 50.8x10^4 Need help

    asked by Sarah on September 12, 2016
  47. math 115

    How many droplets of water are in a river that is 100 km long, 290 m wide, and 29 m deep? Assume a droplet is 1 milliliter. (Note: one liter equals one cubic decimeter and 10 decimeters equals 1 meter.) Express you answer in scientific notation.

    asked by Anyno. on October 3, 2016
  48. Math

    Is 10.512 * 10^3 written in proper scientific notation? If not rewrite the number in proper scientific notation.

    asked by Alan on November 14, 2013
  49. Algebra 1

    Determine if the number is written in scientific notation. 4.8 * 100^7 A.) No, it is not written as a number times a power of 10.* B.) Yes, the number is written in scientific notation. C.) No, the first factor is not a number between 1 and 10. 5.1 * 10^-8

    asked by Dylan on February 14, 2018
  50. MATH

    a. Write the scientific notation b. Write the result in ordinary decimal notation. can you do this one so i know how to do the others (2.9 x 10^3)(3.0 x 10^-3)

    asked by Adam on November 9, 2011
  51. 7th grade math help - quick, please.

    Write each number in scientific notation. 1. 4,800 2. 17, 200 3. 180,000 4. 343, 502

    asked by Delilah on September 27, 2012
  52. Algebra

    A scientist measures a speck of sand as having a diameter of 0.00000034. Write this number in scientific notation.

    asked by MikeW on March 18, 2014
  53. 7th grade math - Scientific Notation basics

    1. The area of Greenland is 840,000 square miles. What is this number in scientific notation? 2. What is this number in standard form? 5.75 x 10^9 3. In a recent year the world production of wheat was about 5.2 x 10^8 metric tons. What is this number in

    asked by Delilah on September 27, 2012
  54. math

    how would i write this in scientific notation 14,718? how would i write this in standard notation 1.98 x 10 to the second power 14,718 could be rewritten as 1.4718*10^4, which is read as "1.4718 times 10 to the fourth power." (The asterisk is often used as

    asked by darneta on June 13, 2007
  55. Math

    A nanometer is a unit equal to 0.000000001 meter. Write a expression to represents this number is scientific notation

    asked by Lisa on December 16, 2010
  56. Math

    use the digits 1,2,3, and 4 to write a number in scientific notation that is close to .001 this was in a 7th grade algebra book... what? is this even possible without the use of 0?

    asked by Tokey on February 9, 2011
  57. Math 11

    Scientific Notation question... It says put it in scientific notation and here is the question. 3100.0 x 10^2 But it's already in scientific notation... and I have no clue what to do... I've never done a question in scientific notation before... can

    asked by Karn on September 9, 2007
  58. 7th grade math

    1. The area of Greenland is 840,000 square miles. What is this number in scientific notation? (1 point) 840 x 105 84 x 10–5 8.4 x 105 8.4 x 10–5 2. What answer represents this number in scientific notation? 0.00000916 (1 point) 916 x 10–8 9.16 x

    asked by Delilah on September 26, 2012
  59. College Chem

    A 1000 g sample of metal with a specific heat of 0.50 J/goC is heated to 100.0oC and then placed in a 50.0 g sample of water at 20.0oC. (Hint: Specific heat of water at 20.0oC is 4.182 J/goC). What is the final temperature of the metal and the water? Write

    asked by nia on February 17, 2017
  60. Math

    Use scientific notation to divide the following two numbers. Express the answer using scientific notation; retain at least three decimal places. 6.2 • 107 / 4.15 • 103

    asked by Jackster on March 1, 2011
  61. algebra

    use scientific notation to multiply the following two numbers. Express the answer using scientific notation; retain all nonzero decimal places. (8.1*10^8)*(4.2*10^3)

    asked by sharron on July 9, 2011
  62. Algebra

    Use scientific notation to multiply the following two numbers. Express the answer using scientific notation; retain all nonzero decimal places (1.9 • 10^4) • (8.4 • 10^5)

    asked by yolanda on January 2, 2012
  63. Intermediate Algebra

    Use scientific notation to divide the following 2 numbers .Express the answer using scientific notation; retain at least3 decimal places (9.4*10^6)/(4.97*10^2)

    asked by sherry on March 27, 2012
  64. simple math

    If a= 9990.9 and b= 9886.1. First, convert these to scientific notation. If only three significant digits are allowed in decimal portion (mantisa) of the scientific notation and chopping and not rounding is used, what is a-b?

    asked by sara on September 14, 2013
  65. algebra

    Use scientific notation to divide the following two numbers. Express the answer using scientific notation; retain at least three decimal places. (6.2 · 10^7) / (4.15 · 10^3)

    asked by jackie on January 29, 2012
  66. BA

    use scientific notation to divide the two numbers, express answer using scientific notation, retain at least 3 decimal place for (8.4.10^6)/(5.97.10^2)

    asked by Dechols on February 24, 2012
  67. intermediate algebra

    use scientific notation to divide the following two numbers. Express the answer using scientific notation; retain at least three decimal places (8.4*10^6)/ (5.97*10^2)

    asked by swirl on July 9, 2011
  68. Math

    Simplify the expression 131,000x0.0003 using scientific notation and express the answer in scientific notation.

    asked by Maleka on April 12, 2017
  69. chemistry

    I have a problem that I need help with. The diameter of the oil molecule has to be calculated and presented in scientific notation. The data in the questions tells me that drop of oil(volume 0.05cm ^3) is released from a dropper onto the surface of the

    asked by ruby on February 4, 2007
  70. algebra

    0.000027 ÷ 0.000009 Requirements: • Explain how to use scientific notation to solve the problem. • Describe how to divide numbers written in scientific notation. I am re posting again because i need more help then what i got because i don't understand

    asked by cheyann on October 14, 2015
  71. algebra

    0.000027 ÷ 0.000009 Requirements: • Explain how to use scientific notation to solve the problem. • Describe how to divide numbers written in scientific notation. I am re posting again because i need more help then what i got because i don't understand

    asked by cheyann on October 13, 2015
  72. math

    Operations with scientific notation Perform the indicated operation. Each final answer must be written in scientific notation. 1. (2.34*10^5)*(-4*10^-8) 2. (4*10^3)*(4.5*10^-3) 3. (5*10^5)*(4.3*10^2)

    asked by shay on January 17, 2008
  73. math

    1. Is this student's work correct? ( 9 x 10^3 ) ( 5 x 10^2 ) = ( 9 x 5 ) ( 10^3 x 10^2 ) = 45 x 10^3+2 = 45 x 10^5 A. Yes. The student rewrote the problem and then multiplied correctly. *** B. No. The student should have changed the scientific notation to

    asked by check my answers please!! on September 25, 2018
  74. Math

    I asked this question before sorry I I shouldn't ask it again. Express the following number in scientific notation: 23^941 How do i get the answer for this? on my graphing calc, i get an error overflow messasge when i try to compute it. what is the decimal

    asked by Sandy on March 11, 2012
  75. math

    A factory packs water in half liter, one liter, two liter and five bottles. On a certain day, the factory packed 20 840 bottles and of water .out of these, 8120 were half liter bottles and 3960 were two liters bottles. One liter bottles were 2000 more than

    asked by kgk on January 6, 2015
  76. Math

    Suppose it takes 3 days for a space vehicle to travel from the earth to the moon. About how long would it take the same vehicle traveling at the same speed to Venus? Moon= 240,000mi Venus=26,000,000mi Round to the nearest whole number. Use scientific

    asked by Bkp on May 13, 2011
  77. algebra

    can you help me with the Lesson 9: Operations and Applications of Scientific Notation Connections Education 1205070 M/J PRE-ALG - T1 Unit 2: Rational Numbers test.What is the product of (5.1*10^3)*(3.2*10^3)? (please express your answer in scientific

    asked by jasmine on September 25, 2014
  78. Algrebra 1

    What are the practical uses of scientific notation? Why is scientific notation so important in modern-day society?

    asked by Liz on June 26, 2012
  79. Math

    Describe and correct the error in writing the number 81,700,000 in scientific notation. Standard form 81,700,000 product form 81.7*100,000 scientific notation 81.7*10

    asked by Anonymous on October 3, 2010
  80. Physics

    Calculate the following, expressing the answer in scientific notation with the correct number of significant figures: (8.86 + 1.0 * 10^-3) / 3.610 * 10^-3 please help me write out the equation and fill in the appropriate data thanks for your help Jiskha

    asked by y912f on February 8, 2009
  81. conversion science

    convert .621 hl to liters .013 dl to liters .00078 mg to kg 2.45 g to cg 1.9 km to cm .0476 mm to dam 6.4 ul to nl need conversion and scientific notation before I can proceed from there to the lesson. This was part of an intro that I missed due to

    asked by paul on October 1, 2006
  82. 8th grade

    Is -7*10^11 in scientific notation? If not, write it in scientific notation.

    asked by Logan on April 28, 2010
  83. Algebra

    Can you please check my work? You have helped other students I know. Thank you:) Multiply -7(2a2 -4) = -14a2 + 28 Multiply 0.5(a + b -5) = 0.5a + 0.5b - 2.5 Factor bx - by + bz = b(x - y + z) Combine like terms (simplify) 12x + 4 - 11y - 6x - 9 - y = 6x -

    asked by Sharon (ms. Sue) on November 8, 2011
  84. physics

    balloon filled with 1 liter of water (1000 cm^3) in equilibrium in a container of water, the balloon is totally submerged in the water. a. What is the mass of 1 liter of water? b. What is the weight of the 1 liter of water? need assitance in setting up

    asked by mitch on October 23, 2006
  85. Algebra (check my answers)

    Please check these answers. Multiply -7(2a2 -4) = -14a2 + 28 Multiply 0.5(a + b -5) = 0.5a + 0.5b - 2.5 Factor bx - by + bz = b(x - y + z) Combine like terms (simplify) 12x + 4 - 11y - 6x - 9 - y = 6x - 12y - 5 Evaluate the expression 3x2y when x = 3 and y

    asked by Sharon on November 8, 2011
  86. 7th grade scientific notation help Ms. Sue

    Write each number in scientific notation. 1. 4,800 2. 17, 200 3. 180,000 4. 343, 502 12. 0.00581 13. 0.00105 14. 0.0000078 15. 0.000027 16. 0.000000132 17. 0.000000009

    asked by Delilah on September 28, 2012
  87. Algebra

    Write the number in scientific notation. 6,761,000 I said it was 6,761,*10^3 Its saying its wrong?

    asked by Sarah on September 12, 2016
  88. math

    Write the number in scientific notation. 0.000209 8,724,000,000

    asked by thomas on July 19, 2009
  89. Algebra

    The distance from the Earth to the sun is 93,000,000 miles. Write this number in scientific notation.

    asked by MikeW on March 18, 2014
  90. Math

    How can you read numbers that are written in scientific notation? Why is scientific notation important?

    asked by Hayden on December 6, 2017
  91. Algebra

    Write the following number in scientific notation. 0.157 I thought the answe was 0.157x10^3. it is wrong need help! No idea how its wrong

    asked by Sarah on September 12, 2016
  92. MATH 156

    can some one please check if my answer is correct. Write the number in scientific notation. 15)0.000 294 Answer: 2.94x10^(-4)

    asked by joe on July 9, 2009
  93. Math

    Please HELP Me!! A googol is a number written with a 1 followed by 100 zeros. Write a googol in scientific notation. I don't understand this. Thank You.

    asked by Happy face!! on October 8, 2007
  94. chemistry

    A drop of oil (volume 0.05cm3) is released from a medicine dropper on to the calm surface of a pond where it spreads out to cover an area of "40m2". Assume that the oil film has a uniform thickness equal to the diameter of a oil molecule. Calculate the

    asked by angel on March 9, 2007
  95. Math

    You have a 7-liter, and an 11-liter container with no markings on them. Both are empty. You may fill up any of them from the water faucet any number of times, you may empty any of them any time, and you may pour water from one container to the other any

    asked by Sam on February 2, 2010
  96. physics 10

    Write 95.43×10^-4 in scientific notation. Since we need to have the decimal place so that there is only one number on the left I guess I do this: 9.543 And to get back to where I was I need to go -1 So would this be the right answer: 9.543×10^1 I'm

    asked by charu on April 21, 2017
  97. Science/Math

    A radio wave has a frequency of5,000,000 Hz. Write this number in scientific notation. ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? This is not the right answer so hurry up as

    asked by Megan on February 12, 2007
  98. Math story problem

    The Airbus A380-800, the largest in the Airbus fleet has a range of 8,200 nautical miles. Please write this number in scientific notation.

    asked by Katie A on October 6, 2011
  99. Algebra 1

    8.A number raised to a negative exponent is negative. Always, never , or sometimes. 7. Evaluate 1/2a^-4b^2 a = -2 and b = 4. 6. Simplify. Write in scientific notation. (9 x 10^-3)^2 Thanks to anyone who helps right away and need right answer from the

    asked by Dave on February 4, 2013
  100. Algebra

    CHECK MY ANSWER PLEASE!? 6. Based upon the 2010 census data, the total population of the us is 308,745,538 people. Approximately, what is this population in scientific notation? A. 3.1 x 10^8** B. 3.1 x 10^7 C. 3.1 x 10^-8 D. 31 x 10^7 7. What is the

    asked by Anon on December 29, 2019