Question

How do you know what power of 10 to multiply a divisor and dividend by when dividing a decimal?

Answer 1

Answer:

You do not need to, but if you must do the following: if the divisor has n digits after the decimal point then multiply by 10n.

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation: To divide by a decimal, multiply the divisor by a power of ten to make the divisor a whole number. Then multiply the dividend by the same power of ten. You can think of this as moving the decimal point in the dividend the same number of places to the right as you move the decimal point in the divisor.