Multiplying and Dividing Decimal Numbers by Powers of 10

9.55 × 100 =

• 955

• 9.55

• 95.5

• 9550

• 0955

14.08  ÷ 10=

• 1.408
• 140.8
• 14.08
• 1.480

How do you move the decimal point if you multiply by 10²

• to the right two times

• to the left two times

• up two times

• you don't move it

10² x 4.78 =

• 4.78

• 47.8

• 478

• 4,780

When dividing by a power of ten, the decimal place moves__________.

• up
• left
• right
• it does not move

3.21÷10²

• 321
• 32.1
• 0.0321
• 0.321

2.34 ÷ 10¹

• 0.234
• 2.34
• 23.4
• 0.0234

Raul can hit a golf ball 26.4 yards. A.J. can hit a golf ball 10 times as far. How far can A.J. hit the ball?

• 26.4 yards

• 264 yards

• 2.64 yards

• 2,640 yards

Which expressions are equivalent to 8.3? Choose all the correct answers (2).

•  83 ÷ 10

• 0.83 x 10

• 0.83 x 100

• 0.83 ÷ 10