Search: 7th grade math - Scientific Notation basics

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7th grade math - Scientific Notation basics
thanks!!! That really helped!!!
Thursday, September 27, 2012 at 7:24pm by Anonymous

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?
Thursday, September 27, 2012 at 7:24pm by Delilah

7th grade math - Scientific Notation basics
HEY YOU GO TO CONNECTIONS ACADEMY! this is cheating
Thursday, September 27, 2012 at 7:24pm by bob

7th grade math - Scientific Notation basics
to the poster above, how did you find this then? :P you would have had to look like up on Google, so you're a cheater too.
Thursday, September 27, 2012 at 7:24pm by ^

7th grade math - Scientific Notation basics
I am not going to do many for you, so think out why my answers are as they are a. 8.4 E5 where E means times 10 to the 5th power. b. 5 750 000 000 c. 520,000,000 tons
Thursday, September 27, 2012 at 7:24pm by bobpursley

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 :)
Friday, September 28, 2012 at 6:55pm by Delilah

7th grade math check my answers please quick
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?
Friday, September 28, 2012 at 6:32pm 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
Friday, September 28, 2012 at 6:05pm by Delilah

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...
Sunday, September 9, 2007 at 1:43am by Karn

7th grade math standard form scientific notation
I don't understand what you mean by "I have been stuck on these questions for 30 minutes.... " Are you just staring at the questions? The concept of scientific notation can be learned in less than 5 minutes. 5. 3.2 x 10^3 = 5.3 x 1000 = 5300 15 . 2.5 x 10^-3 = 2....
Friday, September 28, 2012 at 7:05pm by Reiny

7th grade math questions Scientific Notation
GIVE ME A D E R P DERP!
Friday, September 28, 2012 at 6:55pm by bob

7th grade math - scientific notation help
Thanks but what does posts above mean
Thursday, September 27, 2012 at 7:22pm by Delilah

7th grade math - scientific notation help
14. 7.8 E-6 see other post.
Thursday, September 27, 2012 at 7:22pm by bobpursley

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.
Monday, January 10, 2011 at 12:47pm 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
Tuesday, October 4, 2011 at 10:54pm by Katie A

7th grade scientific notation help Ms. Sue
ITS ALL WRONG
Friday, September 28, 2012 at 6:05pm by Yomama

7th grade
write in scientific notation: 1.7500 2.75000000 3.1250
Tuesday, August 24, 2010 at 7:10pm by christian

8th grade
Is -7*10^11 in scientific notation? If not, write it in scientific notation.
Wednesday, April 28, 2010 at 11:17pm by Logan

4th grade math
These are often easier to see if you convert to scientific notation (standard form). 2399001 is 2.39901 x 10^6 in scientific notation. We need it to 3 significant figures so 2.40 x 10^6. Any help?
Wednesday, September 17, 2008 at 12:17am by Dr Russ

7th grade math help - quick, please.
Write each number in scientific notation. 1. 4,800 2. 17, 200 3. 180,000 4. 343, 502
Thursday, September 27, 2012 at 7:20pm 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
Thursday, September 27, 2012 at 7:22pm by Delilah

4th grade math
it's another word for scientific notation. It's "A method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10. The scientific notation of 10,492, for example, is 1.0492 ¡Á 104."
Saturday, April 4, 2009 at 8:11pm by Angie

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 ...
Friday, March 15, 2013 at 9:26pm by tyneisha

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 ...
Friday, March 15, 2013 at 4:01pm by tyneisha

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?
Wednesday, February 9, 2011 at 8:50pm by Tokey

7th grade
There is 1 L to every 1000 mL so if you divide the 1.5L by 1000mL you get 0.0015. If you need it in scientific notation that would be 1.5x10^-3.
Monday, March 29, 2010 at 8:05pm by Sammi

7th grade
Christian, you can't write those numbers in scientific notation. Are you sure they shouldn't have commas anywhere instead of decimals?
Tuesday, August 24, 2010 at 7:10pm by Jen

Alegebra
scientific notation is when you set the number times a power of 10. Example: 100 = 1*10^2 .0003 = 3*10^-4 so your answer should be 0.000042/0.0084=.005 Which in scientific notation is 5*10^-3 I would recommend looking at scientific notation online.
Monday, May 10, 2010 at 6:58pm by Anonymous

7th grade
what is 344,000,000 in scientific notation?
Tuesday, October 12, 2010 at 3:54pm by Anonymous

7th grade scientific notation help Ms. Sue
I will do two, and be happy to check the others. 3. 1.8E5 where E means 10 to the power of 15. 2.7E-5
Friday, September 28, 2012 at 6:05pm by bobpursley

math 7th
write12 billon in scientific notation
Monday, March 26, 2012 at 9:11pm by kristen

math
Teaching makes you learn something well. You've had scientific notation in class, right? Pretend I don't know scientific notation, and explain to me what it is. (That will be your answer).
Monday, January 10, 2011 at 12:47pm by Marth

8 grade math
Scientific Notation is a way that people use to write numbers that would be unpleasant to write out in Standard/Decimal Notation. Here are some examples that illustrate why anyone would care about how they write down a number: Decimal Notation Scientific Notation 5,000,000,000...
Wednesday, September 30, 2009 at 8:35pm by Anna

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
Tuesday, March 1, 2011 at 10:08pm by Jackster

8th Grade Math
Question: a) Write in standard notation: 6.3 X 10 to the ninth power. b) Write in scientific notation: 0.00000047
Thursday, December 8, 2011 at 11:43am by ...

Math - 8th grade
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.
Wednesday, December 12, 2012 at 9:42pm by Chris

8th Grade Math
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.
Wednesday, December 12, 2012 at 8:58pm by Chris

Math
(4*10^3)*(4.5*10*-3) Operations with scientific notation. Perform the indicated operation. Each final answer must be written in scientific notation.
Thursday, January 17, 2008 at 10:31pm by shay

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 ...
Thursday, September 8, 2011 at 7:25pm by Anonymous

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 10–6 916 x ...
Wednesday, September 26, 2012 at 7:52pm by Delilah

Scientific Notation
I got all of them so far EXCEPT this one... help? Thank you! Convert the following into scientific notation: 1/137
Wednesday, January 23, 2013 at 1:12pm by Carl

Algrebra 1
What are the practical uses of scientific notation? Why is scientific notation so important in modern-day society?
Tuesday, June 26, 2012 at 6:55pm by Liz

scientific notation
Express 2,750,389 in scientific notation I think it is 2.750389 x 10 6
Tuesday, October 9, 2007 at 3:49pm by john

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?
Monday, October 10, 2011 at 11:25am by Maria

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 ...
Wednesday, October 3, 2012 at 7:37pm by Delilah

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?
Tuesday, November 27, 2012 at 7:53pm by Maryam :)

statistics
Multiply 233*10^6 by 2.23 (gallons/person), and use scientific notation for the answer. You can do this. I have already used scientific notation for the US population over 14.
Wednesday, November 23, 2011 at 10:33pm by drwls

scientific notation
simplify write in scientific notation (9x10^-3)^2
Thursday, September 15, 2011 at 8:02pm by edna

scientific notation
simplify write in scientific notation (9x10^-3)^2
Thursday, September 15, 2011 at 8:01pm by edna

scientific notation
What is the scientific notation of 125 million dollars?
Tuesday, October 9, 2007 at 3:49pm by Sonja

scientific notation
Write the number in scientific notation: 0.000375
Tuesday, November 20, 2007 at 8:32am by Tabby

7th grade
If this is Scientific Notation then it is: 24,000 If the exponet is positive then you move the decimal to the right, and if the exponet is negative move the decimal to the left.
Thursday, December 2, 2010 at 8:24pm by A person

math
no. in the 7th grade a student, depending on the state, should be learning the basics of algebra. calculator is of no use
Thursday, April 28, 2011 at 1:57pm by Luna rose

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)
Thursday, January 17, 2008 at 10:13pm by shay

algebra
contradiction! scientific notation is defined to include a power of 10, so it needs an exponent 6000 in scientific notation is 6.0 x 10^3
Monday, May 30, 2011 at 12:16pm by Reiny

8th grade math
which ezpresses 3,571,000 in scientific notation?
Monday, March 8, 2010 at 3:28pm by haley

8 grade math
how can you express a number in expanded form and in scientific notation?
Wednesday, September 30, 2009 at 8:35pm by emily

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)
Friday, February 24, 2012 at 12:04am by Dechols

7th grade math NASA problem
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????
Friday, September 28, 2012 at 6:52pm by Delilah

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)
Tuesday, March 27, 2012 at 12:26pm by sherry

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)
Monday, January 2, 2012 at 12:46am by yolanda

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)
Saturday, July 9, 2011 at 9:44pm by sharron

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...
Thursday, January 31, 2013 at 12:38pm by ruby

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...
Thursday, January 31, 2013 at 2:57pm by SAMHAM

scientific notation
what is 90,000 in scientific notation
Sunday, January 10, 2010 at 5:04pm by summer

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)
Sunday, January 29, 2012 at 7:05pm by jackie

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)
Saturday, July 9, 2011 at 8:35am by swirl

7th grade advanced math
Not off the top of my head, I don't. I'm in 7th grade advanced math and we get to use calculators. Can you use a calculator? If so, you can enter this. I have a scientific calculator, it's really nice to have aroud for probblems like that!
Wednesday, September 10, 2008 at 3:44pm by Cecilia

scientific notation
$6,690,000/2600000 = $2.57 per appliance. I don't see why you would want to express $2.57 in scientific notation. 2.57 x 10^1 looks just plain silly.
Friday, March 20, 2009 at 9:33pm by Reiny

Scientific Notation
Just started learning about the scientific notation, and its actually quite easy, but I dont 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 ...
Friday, September 9, 2011 at 8:55pm by Anonymous

Algebra
Letter A) is not in scientific notation do to the fact that 51. what ever is higher than ten, and to be a valid notation the first number has to be between one and ten, no lower then one and no higher than ten, so letter A) would not be in scientific notation
Wednesday, March 9, 2011 at 2:13pm by LaQuira

7th grade scientific notation help Ms. Sue
Thanks!!! So the answers are (i will do 1-4 odd, 12-17 odd) 1. 4.8 x 10^3 3. 1.8 x 10^5 13. 1.05 x 10^-3 15. 2.7 x 10^-5 17. 9 x 10^-8 are these correct?
Friday, September 28, 2012 at 6:05pm by Delilah

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
Thursday, June 28, 2012 at 4:05pm by *Please Help*

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?
Tuesday, September 12, 2006 at 12:55am by alejandra

7th grade math
how to put 26,000 in a notation
Sunday, March 27, 2011 at 11:34pm by alexis

8th grade
it is in scientific notation.
Wednesday, April 28, 2010 at 11:17pm by Ana

chemistry
how to complete (2.8 x 10 to the 7th) x (8.8 x 10 to the 4th) in scientific notation
Sunday, September 9, 2012 at 10:22pm by Jessica

Scientific notation
what is .020833333 in scientific notation?
Saturday, March 29, 2008 at 2:00pm by Jon

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?
Friday, March 20, 2009 at 9:33pm by brad

Math
the scientific notation would be: 8.17X 10^7 in scientific notations the decimal always has to be after the first non-zero number
Sunday, October 3, 2010 at 3:41pm by hannah

chemistry
No, scientific notation is ALWAYS the first digit followed by the decimal point followed by x 10 to the some power. So 12.5 x 10^-6, although a correct number probably, is 1.25 x 10^-5 in scientific notation.
Saturday, October 9, 2010 at 5:15pm by DrBob222

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.
Wednesday, June 16, 2010 at 10:45am by Becky

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
Tuesday, May 21, 2013 at 11:43pm by melves

9th grade
how do u turn 1095millionths into scientific notation
Tuesday, August 3, 2010 at 1:14am by justin williams

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
Sunday, October 3, 2010 at 3:41pm by Anonymous

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. :/
Saturday, May 2, 2009 at 9:47pm 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...
Friday, May 13, 2011 at 10:19pm 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
Monday, February 4, 2013 at 2:44pm by Alex

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 ...
Friday, September 28, 2012 at 7:05pm by Delilah

math/pre-algebra
Jiskha never charges anyone for getting help! You must really be in an advanced class to have this problem. 0.015 = 1.5 * 10^-2 http://www.mathsisfun.com/numbers/scientific-notation.html
Saturday, November 6, 2010 at 6:38pm by Ms. Sue

engineering
To be honest I can make sense of that bit you pointed out. It’s actually the scientific notation bit I struggle with. The answer is 3.84 seconds, however how do you get the answer in seconds, to two decimal places using scientific notation?? Thanks, Peter.
Monday, April 26, 2010 at 6:11am by Peter

7th grade
a[n] ? is an ansewer to a scientific question
Friday, September 25, 2009 at 5:22pm by evelyn

science
I get 17.5 ml for the volume 250 mg = 250*10^-6 kg = 2.5*10^-4 kg Your answer is correct, but in decimal rather than scientific notation. Very small and very large numbers are better written in scientific notation, in my opinion.
Thursday, February 19, 2009 at 8:14pm by drwls

scientific notations
Express the number 11 213 dm in scientific notation
Wednesday, January 18, 2012 at 11:18am by Tripp

Grade 10 MATH
That's a big number. I don't have room for all of the digits, but in scientific notation, with 9 significant figures, it is 3.17141391*10^141
Wednesday, December 5, 2007 at 7:56pm by drwls

Math
In 2002 Home depos saes amounted to 58200000000. In 2006, its sales were 90800000000. a. Write Home Depo's 2002 sales and 2006 sales in scientific notation. b. What was the percent growth in Home Depo's sales from 200 to 2006? Do all work by using scientific notation.
Monday, October 5, 2009 at 6:27pm by Rmz

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. ...
Tuesday, April 27, 2010 at 12:41pm by Peter

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