Decimals and Powers of 10

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part. For example, 3.14 is a decimal.

Front

What does the power of 10 mean?

Back

The power of 10 refers to how many times 10 is multiplied by itself. For example, 10^3 means 10 x 10 x 10, which equals 1000.

Front

Back

Front

How do you divide a decimal by a power of 10?

Back

To divide a decimal by a power of 10, move the decimal point to the left as many places as the exponent of 10. For example, 5.260 ÷ 10^3 = 0.005260.

Front

Back

Front

Back

Front

Back

Front

How do you multiply a decimal by a power of 10?

Back

To multiply a decimal by a power of 10, move the decimal point to the right as many places as the exponent of 10. For example, 2.7 x 10^1 = 27.

Front

What is the result of multiplying a decimal by 100?

Back

Multiplying a decimal by 100 moves the decimal point two places to the right. For example, 7.129 x 100 = 712.9.

Front

Back