Questions on Algebra: Decimal numbers, power of 10, rounding answered by real tutors!

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Question 387264: write 63.5 in scientific notation?
Click here to see answer by edjones(8007)

Question 388508: 0.000000030002 what is the scientific notation
Click here to see answer by ewatrrr(24785)

Question 388588: how many 0s at the end of 95!?
Click here to see answer by richard1234(7193)

Question 388762: write 48653to nearest 1000
Click here to see answer by Alan3354(69443)

Question 389515: Let a_n = 11...1 with 3^n digits. Prove that a_n is divisible by 3a_(n-1).
Click here to see answer by richard1234(7193)

Question 389515: Let a_n = 11...1 with 3^n digits. Prove that a_n is divisible by 3a_(n-1).
Click here to see answer by robertb(5830)

Question 389614: how do you change 0.45 into a mixed number or fraction?
Click here to see answer by ankor@dixie-net.com(22740)

Question 391067: I need to find three numbers between 2.02 and 2.2

Click here to see answer by checkley79(3341)

Question 391463: what is 0.6% of what number is 1.14
Click here to see answer by Alan3354(69443)

Question 391682: _
Express the (repeating) decimal 1.9 as a quotient of two integers. *NOTE it has to be set up something like this:
_
n = 1.9
the answer is the fraction (2/1) but I do not know how this is. Please Help
Click here to see answer by richard1234(7193)

Question 392173: Write the following as a common fraction or mixed number. Express in simplest terms.
0.00252

Click here to see answer by edjones(8007)

Question 392262: Write the following as a common fraction or mixed number.
0.00252
Please show work in the simplest form,
Click here to see answer by Alan3354(69443)

Question 392600: Hi. Can you please explain to me how to work out decimal numbers. Im trying to learn for a test next tuesday.
I have a sample question .03 x .50. Im unsure how to work out the answer.
Thanks
Brittany
Click here to see answer by mananth(16946)

Question 392707: how to subtract: 45.6-8.75. I do not understand how to do the subtraction. Thank you for the help
Click here to see answer by Edwin McCravy(20054)

Question 392766: Which decimal has the least value: 0.6, 0.66, 0.666, 0.6666
Click here to see answer by rfer(16322)

Question 392766: Which decimal has the least value: 0.6, 0.66, 0.666, 0.6666
Click here to see answer by stanbon(75887)

Question 392846: How do I write 2.8 X 10-3 (that is negative 3) in a standard form?
Click here to see answer by jim_thompson5910(35256)

Question 392827: express 0.00000068 in scientific notation
Click here to see answer by jsmallt9(3758)

Question 393478: Please help me solve this problem: What decimal is equal to 2/5? Please show work. My step son is just starting... Thanks!!
Click here to see answer by stanbon(75887)

Question 394320: Subtract 0.36 from 6.
Click here to see answer by TeishaRenee(14)

Question 394371: What Is 4.291 to the nearest tenth
Click here to see answer by jim_thompson5910(35256)

Question 394471: Multiply 0.8175 x 1,000
I must show the work and do not understand how to do this problem could someone please help me?
Click here to see answer by stanbon(75887)

Question 395034: I would like to know how to divide a negative number with a decimal.
example: - 64/0.8 = ?
Click here to see answer by stanbon(75887)

Question 395402: find the mixed or rational fraction in lowest terms represented by the repeating decimal. 1.363636?
Click here to see answer by stanbon(75887)

Question 395403: find the product of 7/9 x 1/8? show work were i can understand
Click here to see answer by stanbon(75887)

Question 395414: Divide. Express answer in simplest form.
2/5 4/5

4 � -1

Click here to see answer by rfer(16322)

Question 395410:
Express the ratio in simplest form.

14 minutes to 5 hours

Click here to see answer by EricL(29)

Question 395979: I need help converting 8.3% to a decimal (round to the nearest tenth) and a fraction (reduced to its lowest terms?
Click here to see answer by Jstrasner(112)

Question 395997: can you please chow me the break down on how to subtract 390,000-8.3% please
Click here to see answer by Jstrasner(112)

Question 395997: can you please chow me the break down on how to subtract 390,000-8.3% please
Click here to see answer by unlockmath(1688)

Question 397522: is 0.6 greater than 0.61
Click here to see answer by Alan3354(69443)

Question 398105: Convert to decimal notation.

Simplify your answer.
Click here to see answer by richard1234(7193)

Question 398878: The United States emitted 19.5 million tons of nitrogen oxides (NO) into the atmosphere in 1987. One metric ton (1 t) equals 1,000 kg. How many kilograms of NO were emitted to the atmosphere in the United States during 1987? Could someone please show me how to do this equation?
Click here to see answer by josmiceli(19441)

Question 399869: based on speed, what is the average of 222.089mph, 221.991mph, 220.213mph? round to the nearest thousandth if necessary. I dont know the formula to solve
Click here to see answer by rfer(16322)

Question 402374: hi! can you please help me?
Click here to see answer by stanbon(75887)

Question 404689: trying to see if this is a mistake. 14.729x10 to the -3 power. How can this be rewritten? Is this as far as the notation can go?
Click here to see answer by richard1234(7193)

Question 404945: Convert 0.09% to a decimal.

Click here to see answer by Tatiana_Stebko(1539)

Question 405264: How do i write 13/40 as a decimal?
Click here to see answer by IWork4Dessert(60)

Question 405264: How do i write 13/40 as a decimal?
Click here to see answer by MathLover1(20849)

Question 405268: Write 1/10 as a decimal. Round to the nearest thousandth if necessary.
Click here to see answer by Edwin McCravy(20054)

Question 405265: Write 11/20 as a decimal WITHOUT DIVIDING.
Click here to see answer by Edwin McCravy(20054)

Question 405267: Convert the fraction 6/3 to a decimal. Round your answer to three (3) decimal places if necessary:
Click here to see answer by MathLover1(20849)

Question 405269: Write 8/9 as a decimal. Round to the nearest thousandth if necessary.
Click here to see answer by rfer(16322)

Question 405269: Write 8/9 as a decimal. Round to the nearest thousandth if necessary.
Click here to see answer by MathLover1(20849)

Question 405369: round 8523 to the tenth place
Click here to see answer by richard1234(7193)

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