Multiplying Decimals by Power of 10

Explain how the decimal moves in the following problem:

• The decimal moves 1 place to the right, making the number greater.

• The decimal moves 2 places to the left, making the number greater.

• The decimal moves 3 places to the right, making the number greater.

• The decimal moves 3 places to the left, making the number greater.

EVALUATE:

97.451 X 10 to the power of 4

• 974,510

• 974,510,000

• 0097451

• 0.97451

Explain how the decimal moves in the following problem: 12.345 x 10 squared

• The decimal moves 3 places to the left, to make the number greater.

• The decimal moves 3 places to the right, to make the number smaller.

• The decimal moves 2 places to the right, to make the number greater.

• The decimal moves 2 places to the left, to make the number smaller.

Give the missing power of 10 to complete the equation.

36.5 x ____ = 3650

• 10

• 100

• 1000

• 0.1

54.62 x 10

• 546.2

• 54.6

• 54.2

• 5.462

34.86 x _____ = 34,860

• 10

• 1000

• 1/10

• 100

What is 473.2 x 10

• 4732

• 47.3

• 47320

What is 64.1 x 0.01

• 0.641

• 641

• 6.41

5.62 x 100

• 56.2

• 562

• 56.2

• 5.6200

2.43 x 10 =

• 2.430

• 243

• 24.3

• 0.243