Multiplication/Division Integers and Rational Numbers

What is the multiplicative inverse of 2/3?

• -2/3

• 3/2

• -3/2

• 2/3

This is an example of which property:
(2⋅3)4=(3⋅2)4

• Associative

• Commutative

• Inverse

• Identity

A number that can be written in the form a/b where a and b are integers is a ________________ .

• Irrational Number

• Rational Number

• Whole Number

• Integer

Integers are closed under which operations. Select all that apply.

• Addition

• Subtraction

• Multiplication

• Division

To help his team win the competition, the team must answer the following question correctly at a Math Bowl tournament.

(-4) (6-8) =

What is the answer to the question above.

Mathematical Equivalence

ON

(-1)(-1)(-1)(-2)

• 2

• -2

• -5

• 5

Divide.

• -1/10

• -5/8

• -2/20

• 5/8

-4 x 20 = 

• 80

• -80

The product of a rational number and its reciprocal is-

• 0

• 1

• -1

• None of these

Which of the following illustrates the Associative Law of multiplication?

• 4 × (3 × 6) = (3 × 12) × 2

• 4 × (3 × 6) = (6 × 6) × 2

• 4 × (3 × 6) = (4 × 3) × 6

• 4 × (3 × 6) = (3 × 8) × 3