Multiplying Powers of Tens

How would you write 8 x 10 x 10 x 10 x 10?

• 8 x 100²

• 8 x 10⁴

• 800

• 800⁴

10³

• 10

• 100

• 1,000

• 300

6 x 10²

• 600

• 60

• 6,000

• 1200

(3x4) x 10³

• 1,200

• 3,000

• 12,000

• 4,000

When multiplying by a power of ten, the decimal point moves  _______ .

• left

• up

• down

• right

When multiplying by a power of ten, how many times does the decimal place move to the right?

• once for every zero

• twice for every zero

• three times for every zero

• it never moves

13.256 × 10 ² 

• 13.256

• 132.56

• 1,325.6

• 1,325,600

How would I write 9 x 10³

• 9 x 1,000

• 1,000

• 900

• 90 x 10 x 10 x 10

0.003 X 10³

• 3

• 30

• 300

• .03

14 x 10³

• 1,400

• 0.014

• 14,000

• 42,000