Move decimal place left for negative powers of ten, and move decimal place right for positive powers of ten. For example 4X10-6 is 0.000004 7X104 is 70000
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move the decimal point how much zeros that is in the number multiply to the Right, divide to the Left 18.75 X 100= 1875 !8.75/100= 0.1875
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Divide by 10.
It enables you to multiply or divide by 10 (or powers of 10).
To multiply 115 by 10 add a nought: 1150To divide by ten move the decimal point 1 place to the left: 11.5