# 1.3 /73.814 In significant digit notation, divid, and the answer to two significant digits. I will be happy to critique your work

71,152 questions, page 27
1. ## algebra

a number of two digits divided by the sum of the digits the quotient is 7 and the remainder is 6 . if the digits of the number are interchanged, the resulting number exceeds three times the sum of the digits by 5.

asked by clary on February 3, 2016
2. ## math

A number rounds off to 4000.The digits in the hundreds place is twice the digits in the tens place.The sum of the digits is 12.The number uses only two diffirent digits.find the number.

asked by shirley nicole silva on June 18, 2013
3. ## math

16) AB = 3.2cm BC = 8.4cm The area of the triangle ABC is 10cm². Calculate the perimeter and give the answer correct to 3 significant figures. 19) Bill said that the line y=6 cuts the curve x² + y² =25 at two points. a) By eliminating y, show that Bill

asked by ahh on November 8, 2006
4. ## math

how would you write 814 thousand of an ounce

asked by erika on September 14, 2010
5. ## Physics - URGENT

A water balloon is launched at a speed of 23 m/s and an angle of 36 degrees above the horizontal. The water balloon hits a tall building located 20 m from the launch pad. At what height above the ground level will the water balloon hit the building?

asked by Anonymous on September 18, 2015
6. ## Chemistry

A 0.41 g sample of limestone was dissolved in HCl and all the calcium in the limestone was converted to Ca2+(aq). The solution was treated with excess ammonium oxalate, (NH4)2C2O4(aq), and it was found that 3.0 g of calcium oxalate, CaC2O4(s) was

asked by Bob on September 20, 2012
7. ## physics

A water balloon is launched at a speed of 42 m/s and an angle of 36 degrees above the horizontal. The water balloon hits a tall building located 27 m from the launch pad. At what height above the ground level will the water balloon hit the building?

asked by dalia on January 31, 2017
8. ## math

Jay rides his 2.0-kg skateboard. He is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. The board now goes forward at 13 m/s. A. Determine Jay’s mass. B. Determine the change in the internal energy

9. ## probability

In the state of Georgia, telephone numbers consists of 10 digits, including the area code. One of these area codes is 770. The first digit following the area code cannot be 1 or 0. Find the number of possibilities for telephone numbers in area code 770.

asked by Anonymous on July 22, 2016
10. ## algebra

Beginning with cars made in 1981, all vehicles must contain a 17-digit Vehicle Identification Number (VIN). The first 3 positions must be letters or numbers, position 4 and 5 must be letters, positions 6 and 7 must be numbers, position 8 can be a letter or

asked by anon on May 2, 2013
11. ## math

The first digit of a 3-digit telephone area code is 6 or 7. The second digit is 9. How many codes are possible?

asked by Anonymous on May 17, 2016
12. ## Algebra 1

How many two-digit numbers have a tens digit that is greater than the units digit?

asked by Lam on March 11, 2014
13. ## Counting and Probability

How many 3-digit numbers have the units digit larger than the tens digit?

asked by Mr. Alexander on August 12, 2015
14. ## math

my ten digit is 1 less then the sum of 4 + 3 my ones digit is 2 more than my tens digit what number am i?

asked by lori on November 5, 2012
15. ## math

Given the set (1,2,3,4,5) how many 3-digit numbers can be formed if the first digit is 5 and no digit is repeated?

asked by sam on October 1, 2013
16. ## Chemistry

When 0.643 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 105C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

asked by Jared on May 7, 2007
17. ## Chemistry

A Starbucks Venti Caramel Macchiato contains about 42.0 grams of sugar. If we assume all the sugar is in the form of sucrose, use your answer from Question 4 to determine how many nutritional calories are produced in burning this quantity of sugar. Give

asked by Cali on December 4, 2016
18. ## Algebra

Can you explain to me what is a set notation, interval notation, and inequality notation? thank you

asked by raid on August 31, 2016
19. ## History

why do scientists believe the discovery of the Clovis spear points in Washington is significant A. They are the only evidence of ancient humans in the pacific northwest *my answer* B. They prove that ancient farmers were also great hunter's C. They show

asked by i hate math and who cares what me first name is on March 7, 2019
20. ## Physics

Two blocks are connected over a massless, frictionless pulley. The mass of block 2 is 8.00 kg, and the coefficient of kinetic friction between block 2 and the incline is 0.250. The angle θ of the incline is 28.0°. Block 2 slides down the incline at

asked by Aron on September 30, 2016
21. ## Math

My hundreds digit means nothing. Six more than my hundreds digit is my thousand’s and ones less than my thousands’ is my ten thousands. My tens digit is four more than my hundreds and my ones digit is five more than my tens digit. Question: What number

asked by John on June 25, 2015
22. ## statistics

A student is interested in whether students who study with music playing devote as much attention to their studies as do students who study under quiet conditions (he believes that studying under quiet conditions leads to better attention). he randomly

asked by kelly on March 18, 2012
23. ## mathematics

I am five digit number greater than 40,000 but less than 60,000.My ones digit is 3 more than my ten thousands digit.All my numbers are the same.The sum of my digit is 28.What number I am?

asked by Anonymous on July 26, 2013
24. ## math

I am five digit number greater than 40,000 but less than 70,000.My ones digit is more than my ten thousands digit.All my other digit are the same.The sum of my gigit is 19.What number am i?

asked by angel on June 22, 2015
25. ## Math

Take a four digit number (abcd) and repeat it to make an eight digit number (abcdabcd). This eight-digit number always has at least three different prime factors, unless you start with a certain four-digit number. Which number is it?

asked by Anon on April 15, 2015
26. ## Math

Take a four digit number (abcd) and repeat it to make an eight digit number (abcdabcd). This eight-digit number always has at least three different prime factors, unless you start with a certain four-digit number. Which number is it?

27. ## math probability

How many three digits codes (single digits 0-9) are possible part A is codes must exceed value of 400 i think answer is 400 multiply 10 multiply 400 or 400x400x400 as three digits

asked by sandy on November 14, 2014

I have an 8 in the ten thousands place, My hundreds digit is greater then my ten thousands digit, My ones digit is the number of right angles in a rectangle, my tens digit is the difference between thirteen and my ten thousands digit, my value is less that

asked by Mikaela on September 19, 2012
29. ## algebra

i forgot to post these! f(x)=9x+4 and listed in interval notation also: f(x) x2+14x+40 in interval notation and: 1/x^2+81 (interval notation) and: x+11/x^2-121 (interval notation) and: f(x+2) f(x)=6x^2-x+7 You have listed a lot of functions but have said

asked by valerie on March 14, 2007
30. ## Math

Write 8 fractions equal to one-half (not including one-half) using only the digits 0, 1, 2 and 5. Each digit may be used more than once, but you may not use decimal points or arithmatic operatons. Numerators cannot be larger than 100. You may not use

asked by William Bent on November 9, 2009
31. ## civil engineering

For a soil with significant secondary compression, if the duration of each loading increments is lengthened to a few days, what would be the effects on the void ratio vs. Log p curve and the preconsolidation pressure?

asked by lam on November 18, 2013
32. ## U.S. History

Why is each topic historically significant and what impact did it have on colonial development? Algonkian- Iroquois/Haudenosaunee- Mestizo- Encomienda- Canary Islands- Maize Cultivation- Pueblo- Thanks

asked by Johnny on August 11, 2015
33. ## INF103: Computer Literacy

Which of the following components was a significant development featured in the Macintosh LISA computer? (Points : 1) C Prompt Disk Operating System Graphical User Interface) Memory

asked by asfrod on September 17, 2013
34. ## Chemistry - Significant Figures

Suppose it takes 35 min for 2.4 g of sugar to completely react with another reagent we added to the flask. What would the reaction rate be? Calculate to the correct number of significant figures.

asked by Jamie on May 18, 2017
35. ## Chemistry 2B - UC Davis

Now calculate Kb the base dissociation constant for [C2H3O2-], acetate anion, for each of your trials from the concentrations of species at the equivalence point. Report 3 significant figures, e.g. 5.97E-10.

asked by Tim on May 11, 2012
36. ## Biostatistic

The following replicate calcium determinations on a blood sample using atomic absorption spectrophotometry (AAS) and a new colorimetric method were reported. Is there a significant difference in the precision of the two methods?

asked by Jam on December 20, 2012
37. ## Social Studies

Which of the following characteristics do many island countries in the Pacific Ocean share? a. They are susceptible to freezing temperatures b. They experience significant c. Their volcanoes are dormant d. Their mountains are the highest in the world

asked by Kaai97 on October 16, 2015
38. ## Chemistry

When 0.945 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 387C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

asked by eli on February 22, 2010
39. ## chemistry

When 0.954 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 391C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

asked by Anonymous on February 24, 2008
40. ## chemistry

When 0.911 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 374C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

asked by jenivy on February 25, 2008
41. ## Chemistry

When 0.934 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 383C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

asked by Shawn on February 11, 2011
42. ## Phsyics

The center of a 1.10km diameter spherical pocket of oil is 1.10km beneath the Earth's surface. Estimate by what percentage directly above the pocket of oil would differ from the expected value of for a uniform Earth? Assume the density of oil is . Express

asked by Mikhail on April 15, 2010
43. ## Physics

The center of a 1.10km diameter spherical pocket of oil is 1.10km beneath the Earth's surface. Estimate by what percentage directly above the pocket of oil would differ from the expected value of for a uniform Earth? Assume the density of oil is . Express

44. ## physics

A model rocket is launched straight upward. Its altitude y as a function of time is given by y=bt−ct2, where b = 80m/s , c = 4.9m/s2 , t is the time in seconds, and y is in meters. 1. Use differentiation to find a general expression for the rocket's

asked by Anonymous on January 18, 2015
45. ## COLLEGE CHEMISTRY

If 0.340 mol of solid CaCO3 and 410 mL of 0.829 M aqueous H2SO4 are reacted stoichiometrically according to the balanced equation, how many milliliters of 0.829 M aqueous H2SO4 remain? Round your answer to 3 significant figures. H2SO4(aq) + CaCO3(s) →

asked by Anonymous on February 25, 2010
46. ## TEENS AND THE ECONOMY

How can we ensure that teenagers play a meanigful role in the economy? How can we ensure that teenagers play a meanigful role in the economy? ***The most significant way is to get a solid education and prepare for the future, being significant producers

asked by rose on August 31, 2005
47. ## word problem

ok, this is probably a crazy question...but i just want to double check my answer. The question is: What is the least 9 digit number there is using the numbers 1-9 only one time. ??? 123456789 good, that makes me feel better. I was thrown by it at

asked by Jara on August 16, 2005
48. ## Physics

An airplane has a mass of 2.8×106 kg , and the air flows past the lower surface of the wings at 81 m/s . Part A: If the wings have a surface area of 1100 m2 , how fast must the air flow over the upper surface of the wing if the plane is to stay in the

asked by Ashley on November 4, 2016
49. ## Chemistry

Please can you assist me with the following problem I am totally muddled - I could swear I've never even heard of science!!! H2SO4(aq) ---> 2H+(aq)+(SO4^2-)(aq) A 0.21 g sample of sulfuric acid is dissolved completely in sufficient water to make 0.25 litre

asked by Billy on February 5, 2007
50. ## chemistry

The electrochemical cell described by the balanced chemical equation has a standard emf (electromotive force) of -4.05 V. Calculate the maximum electrical work (kJ) the cell has done if 6.8500 mol of F2(g) (Molar Mass - 38.00 g/mol) forms. Round your

asked by j on December 4, 2011
51. ## physics

a marble is dropped from the top of a skyscraper. Is the work done by earths gravitational force on the marble equal to, smaller than or larger them that done by the marbles gravitational force on earth? Why? newtons 3rd law: force on marble due to earths

asked by danielle on October 30, 2006
52. ## physics

An object with a mass of 34.0 g and a volume of 41.0 + B cm3 is placed in a liquid with a density of 1.25 g/cm3. Find the volume of the part of the object that is NOT submerged in the liquid. Give your answer in cm3 and with 3 significant figures.

asked by Idali on April 3, 2017
53. ## chemistry

The equivalent weights of X and Y are _________ g/equiv. H+ and g/equiv. –OH, respectively, for the following reaction: Z (Note: Report your answer with 4 significant figures.) X Y Z Answer #1 Answer #2 benzoic acid calcium hydroxide 2 C6H5COOH + Ca(OH)2

asked by Evani on October 22, 2011
54. ## Chemistry

What is the molar heat of reaction? When 0.732 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 119C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC.

asked by Chris on February 17, 2010
55. ## Math

My hundreds digit is 4 less than my tens my tens digit. My ten thousand digit is 6 greater than my hundreds digit. My thousands digit is 5 less than my ten thousands digit and my ones digit is 6 greater than my hundreds digit. If my tens digit is 7, what

asked by Maritess on July 7, 2015
56. ## math

can someone check my answers please subtract -7.1-(-8.3)= 1.2 multiply (7.6)(1)(-6) = -45.6 divid 90/18 = 5 find the reciprocal of 1/3 (9-4= 5/3 -15-(-12) ---------- -18-(-18) undefined

asked by keauanna on November 12, 2007
57. ## math

a number consists of two digit whose sum is 9 .if 9 is subtracted from the number the digits interchange their places.find the number

asked by sherya on July 6, 2013
58. ## Math

The first digit of two different numbers is in the hundreds millions place. Both numbers contain the same digits. Can you determine the greater of the two numbers and Explain.

asked by Deborah on August 28, 2014
59. ## eth 125

What are the most significant similarities between the Chinese American and Japanese American [cultural] experiences? What are the differences?

asked by coreen on January 10, 2009
60. ## ethics

What are the most significant similarities between the Chinese American and Japanese American [cultural] experiences? What are the differences?

61. ## maths

A car which cost #1.8 million when New Depreciates by about 12% in the first 6 months.find the value after 6 months to 2 significant figures

asked by Riliwan on December 5, 2016
62. ## eth125

What is the most significant similarities between Chinese American and Japanese American( cultural) experiences? What are the differences?

asked by angel on June 19, 2008
63. ## U.S History

explain the debate in McCulloch v. Maryland and the final decision in the case. why was the decision significant?

asked by Andrew on January 26, 2012
64. ## eth125

The most significant similarities between Chinese Americans and Japanese Americans Cultural Experiences and differences

asked by robert on November 12, 2009
65. ## Government

Do you think that governors should have significant powers? I know there are about 14 states, Texas being one that their governor has very little power. But why should these governors be allowed more?

asked by Joe on February 26, 2011
66. ## Eth 125

What are the most significant similarities between the Chinese American and Japanese American [cultural] experiences? What are the differences?

asked by Jessica on October 9, 2008
67. ## ETH

What are the most significant similarities between the Chinese American and Japanese American [cultural] experiences? What are the differences?

asked by Anonymous on August 23, 2007
68. ## political science

10.What according to Reeves what the most significant development by 1900? 11.When was the low point for the Presidency according to Reeves?

asked by krissy B. on September 23, 2012
69. ## Language

I need to write an autobiographical essay about something that changed me in a significant way. I just need some ideas. I have no idea what to write about.

asked by Need help on December 10, 2018
70. ## Pyschology

When a result is significant, explain why it is wrong to say the result “proves” the research hypothesis. PLEASE HELP

asked by Mark on October 2, 2011
71. ## chemistry

what are the significant figures of the numbers: 1)0.0761114947969612 2)132.545358664364 would it be 0.076 and 132.5?

asked by Carson on April 28, 2010
72. ## calculus

Show that the equation x+3sinx=2 has a root between 0.4 and 0.6.express the root to four significant figures

asked by farouk on November 15, 2011
73. ## his

Which amendment after the Bill of Rights (Amendments 11-27) do you consider to be the most significant and why (be thorough)? I need suggestions because I do not know which one i should pick. I say amendment 15 but I do not know why..help

asked by troyer0269 on August 25, 2009
74. ## Chem

How many significant figures are in these numbers 1,000 has 1 2.134 has 4 0.00001 has 1 10,005 has 5 1.000 has 4

asked by Anonymous on September 10, 2016
75. ## ETH/125 - CULTURAL DIVERSITY

. What are the most significant similarities between the Chinese American and Japanese American [cultural] experiences

asked by sam on June 11, 2009
76. ## physics

the estimate and uncertainty for experiment 1 is .15+-.01 and the .12+-.01 for experiment 2. Is the discrepancy between these two data sets significant? Why?

asked by Tiffany on October 18, 2008
77. ## math

Numbers that are palindromes read the same forward and backward. For example, 30203 is a five digit palindrome. If a single number is chosen randomly from the set of all three-digit numbers, find the probability that it will be palindromic. Answer 1/10??

asked by timmy on April 14, 2015
78. ## 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
79. ## Physics

Find the de broglie wavelength of a 1500-kg car when its speed is 80 km/h. How significant are the wave properties of this car likely to be?

asked by Noah on November 2, 2017
80. ## chemistry

Calculate the number of molecules of NBr3 in 25.0 g NBr3. Use a molar mass with at least as many significant figures as the data given.

asked by Anonymous on February 19, 2012
81. ## Physics

The radius of the earth is 6.37*10^6 m and its mass is 5.975*10^24 kg. Find the earth's average density to appropriate significant figure.

asked by Arif khan on February 26, 2013
82. ## Physics

The radius of the earth is 6.37*10^6 m and its mass is 5.975*10^24 kg. Find the earth's average density to appropriate significant figure.

asked by Arif khan on February 26, 2013
83. ## Physics

The radius of the earth is 6.37*10^6 m and its mass is 5.975*10^24 kg. Find the earth's average density to appropriate significant figure.

asked by Arif khan on February 26, 2013
84. ## social studies

what significant effect did the treaty of paris, signed after the french and indian war, war have on france

asked by lol on October 12, 2018
85. ## Chemistry

Express each result to the correct # of significant figures 1. 8.27 x (4.987 - 4.96) 2. (9.5 + 4.1 +2.8 +3.175)/4 3. (9.125 - 9.02) / 9.125 x 100

asked by Sidney on August 31, 2012
86. ## Physics

The radius of the earth is 6.37*10^6 m and its mass is 5.975*10^24 kg. Find the earth's average density to appropriate significant figure.

asked by Arif khan on February 26, 2013
87. ## Physics

The value of a real-world resistor ______ changes with significant time as the resistor conducts a current. never rarely sometimes usually

asked by Jennifer on February 9, 2011
88. ## History

What were three significant events related to ww1, I know there was the assassination but can someone help me find three to link to the main idea (WW1)

asked by Anonymous on February 10, 2015
89. ## Science

What is an environmental problem that you feel is significant. What are some causes? Are any of these causes related to human values and environmental ethics? Explain.

asked by Danny on December 2, 2007
90. ## geography

Case study 1 Country:Japan, Date:17th Jan 1995, Area:Kobe, Type of settlement:City, Tectonic plates involved: Pacific plate and Eurasian plate, Richter Scale magnitude:7.3, Duration of earthquake:20 seconds, Estimate death toll:6500. Case study 2

asked by freddie on October 13, 2009
91. ## math

the digits of a certain number of 3 arithmetical progression.Their sum is 15 and the number is 129 times its first digit.What is the number?

asked by lony on August 31, 2009
92. ## Math

A city park planner is deciding between two proposals for a new rectangular playground. One is for a playground with an area of 1930 square feet. A) The second proposal is for a playground that is 11.5 meters long and 19.5 meters wide. What is the area of

asked by Anonymous on October 28, 2017
93. ## Math

A city park planner is deciding between two proposals for a new rectangular playground. One is for a playground with an area of 1930 square feet. A) The second proposal is for a playground that is 11.5 meters long and 19.5 meters wide. What is the area of

asked by Anonymous on October 28, 2017
94. ## Chemistry

Calculate the enthalpy change (ΔH) for: HCl(aq) + NH3(aq) → NH4Cl(aq) The reaction of 50.0 mL of 1.00 M HCl with 50.0 mL of 1.00 M NH3 causes a temperature rise of 6.4 ˚C in the resulting 100.0 mL of solution. The NH4Cl solution has a density of 1.005

asked by Jim on September 15, 2015
95. ## Chemistry: gas law

I'm here at a study group with Aaron and while he's stuck on that question, I'm stuck on this one... I think we're gonna take a break but I'd love if someone could help break this down for me. Carbon monoxide, CO, and hydrogen, H , react according to the

asked by sydney on October 23, 2015
96. ## chemistry

When 0.969 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 397C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

asked by tweety on February 21, 2009
97. ## chemistry

What clear liquid has a density of 0.814 g/mL but is not an alcohol?

asked by Dana on September 27, 2009
98. ## 3

t= 5.79 (a) There are approximately 1609 meters per mile. If the sun is 93 million miles away, how far is the sun in kilometers to two significant figures.

asked by joe on September 11, 2014