Multiplying Rational Numbers

(2.5)(-1.2)

• -3.7

• 3.7

• 3

• -3

The amount of shore at a beach changes an average of -3/4 feet each year. What is the amount of shore after 7 years?

• 5 1/4

• 3/28

• -3/28

• -5 1/4

Multiply. Write your answer in simplest form.

• 27/40
• -27/40
• 5/6
• -5/6

Twelve negative fractions are multiplied together. What will the sign of the answer be

• Negative
• Positive
• Neither

-3 x 2

• -1

• -6

• -5

• 6

-4.2 x -5

• 21

• -21

• -9.2

• -1.2

2.5 x (-1.2)

• -3.7

• 3.7

• 3

• -3

1/3 x 2/5

• 3/8

• 1/2

• 2/15

• 1/15

2/3 x (-6)

• 4

• -4

• 4/3

• -4/3

-3.9 x (-2.8)

• 1.092

• -1.092

• -10.92

• 10.92