Multiplication by Powers of Ten

How many zeros are in the product of 3,200 x 100?

• 2

• 3

• 4

• 5

7 x 600

• 42

• 420

• 4,200

• 42,000

When you multiply by 10s or 100s or 1,000s the decimal point in the product moves to the ________.

7.033 x 0.001

7.033 x 1000

6.9 x 0.001

6.9 x 1000

3.44 X 0.1

3.44 x 10

3 x 0.1