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December 8, 2016

# Search: 7th grade math - Scientific Notation basics

Number of results: 137,173

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 standard notation?
September 27, 2012 by Delilah

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. Thanks! -Delilah :)
September 28, 2012 by Delilah

11. 17, 200 written in scientific notation is 1.7 x 10^5 21. 0.00105 written in scientific notation is 1.05 x 10^-3 are these correct?
September 28, 2012 by Delilah

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
September 28, 2012 by Delilah

7th grade math - scientific notation help
12. 0.00581 13. 0.00105 14. 0.0000078 15. 0.000027 16. 0.000000132 17. 0.000000009
September 27, 2012 by Delilah

write in scientific notation: 1.7500 2.75000000 3.1250
August 24, 2010 by christian

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 someone please help me?
September 9, 2007 by Karn

Write each number in scientific notation. 1. 4,800 2. 17, 200 3. 180,000 4. 343, 502
September 27, 2012 by Delilah

7th grade Math quick help Ms. Sue
Can you check to see if tese are right? 1. What is 0.68 written as a simplified fraction? 68/100 17/25 100/68 34/25 2. Mrs. Whimsey’s class is having a pizza party. If there are 16 students and 4 pizzas cut into 8 slices, what answer choice represents the fraction of one ...
October 3, 2012 by Delilah

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?
February 9, 2011 by Tokey

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.
January 10, 2011 by drew

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
October 4, 2011 by Katie A

what is 344,000,000 in scientific notation?
October 12, 2010 by Anonymous

Express 18 million in scientific notation. I answered 1.8 x 10 to the 7th and was wrong. I don't understand why? You are supposed to move the decimal 7 places to get 18 million. What did I do wrong? Thank You.
December 12, 2012 by Chris

Express 18 million in scientific notation. I answered 1.8 x 10 to the 7th and was wrong. I don't understand why? You are supposed to move the decimal 7 places to get 18 million. What did I do wrong? Thank You.
December 12, 2012 by Chris

Is -7*10^11 in scientific notation? If not, write it in scientific notation.
April 28, 2010 by Logan

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 10–6 916 x 108 9.16 x ...
September 26, 2012 by Delilah

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 5.)Which value below ...
March 15, 2013 by tyneisha

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 below is not ...
March 15, 2013 by tyneisha

Hi, I really need some help with scientific notation. How do I convert large numbers like 108,000,000 and other numbers that are even larger than this to scientific notation? This is for a math project and even though I learned about this, it's still hard for me to understand ...
September 10, 2016 by Music Lover 14

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)
January 17, 2008 by shay

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 4. 70.08 x 10–9 3. ...
January 31, 2013 by SAMHAM

Question: a) Write in standard notation: 6.3 X 10 to the ninth power. b) Write in scientific notation: 0.00000047
December 8, 2011 by ...

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 4. 70.08 x 10–9 3. ...
January 31, 2013 by ruby

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 - 7.5 x 10^15 (6.2 x ...
September 5, 2014 by Anonymous

chemistry
how to complete (2.8 x 10 to the 7th) x (8.8 x 10 to the 4th) in scientific notation
September 9, 2012 by Jessica

5. NASA's apollo program lasted nine years (1963-1972) and included 6 moon landings. Write the cost of the Apollo project, \$25,000,000,000, in scientific notation. Is the answer 2.5 x 10^10????
September 28, 2012 by Delilah

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 whole-number power ...
September 8, 2011 by Anonymous

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😱
May 18, 2015 by aloha

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
March 1, 2011 by Jackster

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?
September 14, 2013 by sara

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 2. Which of the ...
January 29, 2015 by Tia

math
So, I have to turn the quotient answer into scientific notation.. (answer has to be in scientific notation) 6x10^24/ 8x10^8 - 7.5 x 10^2 - 7.5 x 10^15 - 0.75 x 10^3 *This is the one I pick* - 0.75 x 10^16
September 3, 2014 by Anonymous

7th grade math standard form scientific notation
In standard form: 5. 3.2 x 10^3 7. 4.1 x 10^8 9. Write the average weight of a blue whale, 2.6 x 10^5, in standard form. 15. 2.5 x 10^-3 17. 1.05 x 10^-2 19. Write the size of a grain of very fine sand, about 9.35 x 10^-3 cm, in standard form. Can somebody help? I have been ...
September 28, 2012 by Delilah

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 * 10^-3)^2 Evaluate ...
February 5, 2014 by Gabby

Scientific Notation
I got all of them so far EXCEPT this one... help? Thank you! Convert the following into scientific notation: 1/137
January 23, 2013 by Carl

scientific notation
Express in scientific notation. Choose the answer with the proper number of significant figures. _____ 0.47 x 10-17 0.5 x 10-17 5 x 10-18
October 17, 2014 by isaac clarke

how can you express a number in expanded form and in scientific notation?
September 30, 2009 by emily

Scientific Notation
I'm having some trouble solving this problem: 32x10^2 / (4x10^2)^3 Is it possible to have a negative value in scientific notation?
October 10, 2011 by Maria

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)
February 24, 2012 by Dechols

scientific notation am i doing it right?
write in scientific notation 1) 400,000 = 4x10^5 2) 5412= 5.412x10^3 3) 0.00056= 5.6x10^-4 4) 0.0000814= 8.14x10^-5
May 25, 2013 by anonymous

Scientific notation
Express in scientific notation. Remember, M must be a number 1 ≤ M < 10. 32,400 = 3.24-4 3.24*10-4 3.2400*10-4 the dash means to the 4th power
October 17, 2014 by isaac clarke

Algrebra 1
What are the practical uses of scientific notation? Why is scientific notation so important in modern-day society?
June 26, 2012 by Liz

Math
At Jefferson School, both 6th grade & 7th grade classes take a math test. The average score for the 6th grade is 80 and for the 7th grade is 90. If there are twice as many students, in the 7th grade as there is in the 6th grade, what is the average test score for both grades ...
January 14, 2016 by Sidney

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)
March 27, 2012 by sherry

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?
November 27, 2012 by Maryam :)

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)
July 9, 2011 by sharron

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)
January 2, 2012 by yolanda

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)
January 29, 2012 by jackie

Math
Is 10.512 * 10^3 written in proper scientific notation? If not rewrite the number in proper scientific notation.
November 14, 2013 by Alan

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)
July 9, 2011 by swirl

scientific notation
Express 2,750,389 in scientific notation I think it is 2.750389 x 10 6
October 9, 2007 by john

Scientific Notation
What is the solution to (3 x 10^2) x (5 x 10^5), written in scientific notation? a. 1.5 x 10^8 b. 15 x 10^8 c. 1.5 x 10^7 d. 15 x 10^7 ***?? Thank you for the one last time. I appreciate it. :)
November 9, 2016 by Prim

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 notation.)
September 25, 2014 by jasmine

math
. what are the steps to solve this problem? 0.000027/0.000009 requirements: explain how to use scientific notation to solve the problem describe how to divide written in scientific notation give your final answer in simplest form.
November 12, 2014 by math help asap

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 it
October 13, 2015 by cheyann

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 it
October 14, 2015 by cheyann

a[n] ? is an ansewer to a scientific question
September 25, 2009 by evelyn

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 "<--". Also, if I have missed one, please tell me the right answer! Also, Thanks for your help in advance! Have a nice day! 1. Which of the ...
January 14, 2014 by Electro

Scientific Notation
Just started learning about the scientific notation, and its actually quite easy, but I don't know why im still struggling with it. For example it says express the following measurements in scientific notation: 5800m The answer is 5.8 * 10^3 What confuses me is that how do you...
September 9, 2011 by Anonymous

Math
1. What are the steps to solve this problem? 0.000027 ÷ 0.000009 Requirements: • Explain how to use scientific notation to solve the problem. • Describe how to divide numbers written in scientific notation. • Give you final answer in simplest form. (5 points) Steve ...
November 14, 2013 by anonymous

Math
1. What are the steps to solve this problem? 0.000027 ÷ 0.000009 • Explain how to use scientific notation to solve the problem. • Describe how to divide numbers written in scientific notation. • Give you final answer in simplest form. (5 points) I really need help with ...
November 13, 2013 by anonymous

scientific notation
how can i put 10010 into a scientific notation We want the first digit from the left followed by a decimal then some power of 10 Here it's 1.001 x 10^?? How many decimals did we move to the left?
September 12, 2006 by alejandra

Scientific notation. PLZ HELP!
Express in scientific notation. Choose the answer with the proper number of significant figures. (3 x 104) (4 x 1023) = _____ 1227 12 x 1027 10 x 1027 1 x 1028
October 17, 2014 by isaac clarke

Math
What is 0.68 written as a simplified fraction? My answer is 17/25. What makes the statement true? 7^-2= My answer is 14. What is 308,745,538 is scientific notation? My answer is 3.1 x 10^8. What is the solution to (3 x 10^2) x (5 x 10^5)written in scientific notation? My ...
October 13, 2015 by El

Math
How many 7th grade students are expected to move by the end of the year? If 12 students actually moved, did more or fewer 7th-grade students move than expected? Justify your answer. 6th-grade # of students: 250 % moves: 2% 7th-grade # of students 200 % moves: 4% 8th-grade # of...
March 8, 2016 by Sid

Math
What is 0.68 written as a simplified fraction? My answer is 17/25. What makes the statement true? 7^-2= My answer is 14. What is 308,745,538 is scientific notation? My answer is 3.1 x 10^8. What is the solution to (3 x 10^2) x (5 x 10^5)written in scientific notation? My ...
October 13, 2015 by Essie

math
turn standard form into scientific notation: 1. 12457.686 m 2. 0.000065423 g 3. 128.90 g 4. 0.0000007532 m turn scientific notation back to standard form: 1. 1.37 x 10^4m 2. 2.875 x 10^2g 3. 8.755 x 10^-5g 4. 7.005 x 10^-3m
May 21, 2013 by melves

scientific notation
Write the number in scientific notation: 0.000375
November 20, 2007 by Tabby

scientific notation
simplify write in scientific notation (9x10^-3)^2
September 15, 2011 by edna

scientific notation
simplify write in scientific notation (9x10^-3)^2
September 15, 2011 by edna

I'm not sure how to answer this: 3. THe 7th grade wants to have a back-up representative just in case the first teacher is absent. Based on the same scenario as #2, if a math teacher was chosen to be the 7th grade representative, what is the probablility that the back-up drawn...
March 30, 2015 by Alexis

what is the difference between physical science &scientific theory?
August 17, 2009 by courtney

1. Simplify. 5^–1(3^–2) My answer: 1/45 3. Write in scientific notation. 0.0042 My answer: 4.2 X 10^-3 4. Write in standard notation. 6.12 × 10^3 my answer: 6,120 5. Simplify. Write in scientific notation. 0.5(8 × 10^5) My answer: 4 x 10^5 6. Simplify. Write in ...
January 17, 2014 by Electro

Scientific notation
Express in scientific notation. Choose the answer with the proper number of significant figures. 69,000,000,000 = _____ 69 x 109 6.9 x 1010 6.910 It has to be A, but I'm not exactly sure.
October 17, 2014 by isaac clarke

which must be considered whaen drawing a conclusion from a scientific investigation
November 18, 2009 by Anonymous

here is my question: "A scientific ______ is an accepyed outcome that does not change."
November 19, 2009 by Austin

help
can someone help me with the pythagorean theorem? VERY HARD IM IN 7TH GRADE AND THIS IS SOME 7TH GRADE MATH HOMEWORK THAT I NEED HELP WITH!!!!!!!!!!!
March 7, 2013 by juju

Math
(7.66 • 10^2)(6.29 • 10^-4) answer then convert to scientific notation. the answer I keep getting is 0.481814 the scientific notation I get from this is 4.81814*10^5 but i keep getting it wrong. Can someone please help me.
June 16, 2010 by Becky

math
(0.3 x 10^-6)/(3 x 10^-6) those are both in scientific notation, need answer in standard notation. don't know how to do it. :/
May 2, 2009 by Anonymous

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
October 3, 2010 by Anonymous

scientific notation
Express the answer in scientific notation to two decimals unless requested otherwise. A company produced 2,600,000 small appliances in one year and made a profit of \$6,690,000. What was the profit on each appliance?

1. What is the product of (5.1 x 10^3) x (3.2 x 10^3)? (Please express your answer in scientific notation.) 16.32 x 10^6 1.632 x 10^7 16.32 x 10^9 1.632 x 10^10 2. What is the product of (7.28 x 10^-2) x (9.1 x 10^-2)? (Please express your answer in scientific notation.) 6....
January 8, 2014 by mtv

Algebra
What is 0.68 written as a simplified fraction? My answer is 17/25. What makes the statement true? 7^-2= My answer is 14. What is 308,745,538 is scientific notation? My answer is 3.1 x 10^8. What is the solution to (3 x 10^2) x (5 x 10^5)written in scientific notation? My ...
October 13, 2015 by Essie

math
how to right this in scientific in scientific notation. (2.74×10^7)+(5.6×10^7)=
March 14, 2016 by Gina-helen

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, explain.5.1 × 10–8 (1 ...
April 22, 2016 by Bethany

Math/Standard and scientific notation
Express each measure in standard form. (One more thing by the way you need this few prefixes) Tera= 10 to the 12th power Giga= 10 to the 9th power Mega= 10 to the 6th power Kilo= 10 to the 3rd power Pico= 10 to the -12th power Nano= 10 to the -9th power Micro= 10 to the -6th ...
February 25, 2009 by Sandy

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 the number is written ...
February 20, 2014 by Gabby

Algebra 1 (Scientific Notation)
How will you write this in scientific notation? if you do not mind explaining how you did it. Thank you! \$15,789,000,000,000

Math Scientific Notation
write the scientific notation 1) for 25,000,000 i got: 2.5 x 10^7 2) 4,562,000,000 i got: 4.562 x 10^9 3) 1,250 x 10^5 im stuck on this one i think its: 1.25 x 10 ^ 8 are these right?
December 19, 2011 by marko

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.
March 12, 2014 by WillyB

My friend is in the 7th grade and broke his wrist so he cannot type. Wat is the square root of pi.He said he knows pi=3.14 but he doesn't know how to work it out. He said thanks.
March 5, 2012 by running.from.myself

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. • Give you final answer in simplest form. (5 points) i already have the answer,0.000027 ÷ 0.000009=3
October 13, 2015 by cheyann

Algebra
Find the hydrogen ion concentration of a saturated solution of calcium hydroxide whose pH is 13.3. (If you enter your answer in scientific notation, round the decimal value to one decimal place. Use equivalent rounding if you do not enter your answer in scientific notation.)
March 30, 2016 by Lisa

math
A compressed high resolution chest xray image requires about 8MB of data. most GP surgeries are connected to the NHS network at a speed of 100Mbps. how long would it take to download a set of 6 images. give your answer to second to 2 decimal places using scientific notation. ...
April 27, 2010 by Peter

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 the dish. How many are ...
September 29, 2016 by Brittany

I am trying to unscramble ecrfenine in my science homework and cannot get an answer. My mom has read the whole chapter as well with me and we cannot find it. It has to do with scientific method.
August 18, 2010 by kaitlyn

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? Reduce the following: 7...
August 18, 2006 by anonymous

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 notation. I know it is 325...
May 13, 2011 by Bkp

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
February 4, 2013 by Alex

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