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How do you divide a small number by a larger number and they both have decimals?
Count the number of digits after the large number and move the decimal to the right that many times Move the decimal of the smaller to the right the same number of times as you did the large number Use long division to get answer Example 1.77/ 3.1 = 17.7/31 = 0.571
How do you convert -38600000 to scientific notation?
-38,600,000. take the decimal place and move it to the left until you have only one number left of the decimal place... like this -3.86 now count out how many times you move over the decimal place... you move it 7 times. multiply your number of -3.86 by 107 -3.86*107
How does the second addend determine the direction to move on the number line?
If it says add -7 your going left on the number line 7 times
What is this number in standard form 2 times 5 times 5?
2 × 5 × 5 = 50 For non-Americans, in standard form: 50 = 5 × 10^1.
What is 10 percent of 47.65?
the answer is 4.765 10% is the same as saying 1/10. a quick way to do this is to move the decmal left by one digit. if you took 1% or 1/100 of a number then you move the decmal over 2 digits. if you took .1% or 1/1000 of a number then you move the decmal over 3 digits. this pattern continues a long as you want. it also works the other way. if you times a numeber by 10, you move the decmal right one digit, if you times a number by 100 then you move the decmal over two spaces and so on.
