Multiplying and Dividing Decimals by Powers of 10

Front

What is the effect of multiplying a decimal by 10?

Back

When you multiply a decimal by 10, you move the decimal point one place to the right.

Front

What is the effect of dividing a decimal by 10?

Back

When you divide a decimal by 10, you move the decimal point one place to the left.

Front

How do you multiply a decimal by a power of 10, such as 10^2?

Back

To multiply a decimal by 10^2, move the decimal point two places to the right.

Front

How do you divide a decimal by a power of 10, such as 10^3?

Back

To divide a decimal by 10^3, move the decimal point three places to the left.

Front

What is 8.3 x 10^3 in standard form?

Back

8.3 x 10^3 in standard form is 8,300.

Front

What is 45.89 x 10^2 in standard form?

Back

45.89 x 10^2 in standard form is 4,589.

Front

What is 107 ÷ 10^3 in decimal form?

Back

107 ÷ 10^3 in decimal form is 0.107.

Front

What is 12.33 ÷ 10^1 in decimal form?

Back

12.33 ÷ 10^1 in decimal form is 1.233.

Front

What is 46.5 ÷ 10^3 in decimal form?

Back

46.5 ÷ 10^3 in decimal form is 0.0465.

Front

What is the general rule for multiplying decimals by powers of 10?

Back

The general rule is to move the decimal point to the right for multiplication.