Multiplying and Dividing By Powers of 10

Front

What is a power of 10?

Back

A power of 10 is a number that can be expressed as 10 raised to an exponent, indicating how many times to multiply 10 by itself.

Front

What happens when you multiply a number by 10?

Back

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

Front

What happens when you divide a number by 10?

Back

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

Front

What is 0.1 x 10?

Back

0.1 x 10 = 1.0 or 1.

Front

What is 1.5 x 100?

Back

1.5 x 100 = 150.

Front

What is 5.6 ÷ 10?

Back

5.6 ÷ 10 = 0.56.

Front

What is 3.2 x 1000?

Back

3.2 x 1000 = 3200.

Front

What is 0.05 x 100?

Back

0.05 x 100 = 5.

Front

How do you calculate the cost of 10^4 potatoes if one potato costs $0.55?

Back

Cost of 10^4 potatoes = $0.55 x 10,000 = $5,500.

Front

What is 14.08 ÷ 10?

Back

14.08 ÷ 10 = 1.408.