Base of 10 Multiplied by a Decimal

a number in the base-10 place value system used to represent a quantity that may include part of a whole and is recorded with a decimal point separating the whole from the part

• Decimal Number

• Dividend

• Factor

• Front-end Method

In a power, the number used as a factor

• property

• cubed

• base

• power

Which statement is true?

• The value of the 7 in 0.75 is 1/10 the value of the 7 in 0.075.

• The value of the 7 in 7.5 is 1/100 the value of the 7 in 0.75.

• The value of the 7 in 75 is 10 times the value of the 7 in 7.5.

• The value of the 7 in 750 is 100 times the value of the 7 in 75.

The Amazon River is 6.4 x 10³ kilometers long. Which statement describes what happens when 6.4 is multiplied by 10³?

• The product has 2 zeros because 6.4 is being multiplied by 100.

• The product has 3 zeros because 6.4 is being multiplied by 1,000.

• The decimal moves 2 places to the right because 6.4 is being multiplied by 100.

• The decimal moves 3 places to the right because 6.4 is being multiplied by 1,000.

Calculate: 0.045 x 1000

• 450

• 45

• 0.45

• 4.5

Solve.
7.652 x 100

• 7.652

• 76.52

• 765.2

• .7652

9.55 × 100 =

• 955

• 9.55

• 95.5

• 9550

• 0955

1.75 x ________ =175

• 10¹

• 10⁰

• 10²

• 10⁴

10² x 4.78 =

• 4.78

• 47.8

• 478

• 4,780

Simplify 4.5 x 10 =