Dividing decimals by whole numbers works the same way as dividing whole numbers except, just like addition and subtraction of decimals, the decimal point must be kept in line.

Multiplying decimals by 10, 100, and 1000.To multiply a decimal by a whole number: Change the decimal to a whole number divided by a power of ten. Rewrite the question as a whole number ...

Our number system is a decimal system, or base ten system, meaning it's built powers of ten. Numbers less than ten are represented by one of ten digits, numbers from ten to a hundred (which equals ...