Commutative and Associative Properties

EXAMPLE 7.5

Use the commutative properties to rewrite the following expressions:

(a) \[-1+3=\\] _________

(b) \(4 \cdot 9=\) _________

EXAMPLE 7.6

Use the associative properties to rewrite the following:

(a) \((3+0.6)+0.4=\) ________

(b) \(\left(-4 \cdot \frac{2}{5}\right) \cdot 15=\) ________

EXAMPLE 7.7

Use the Associative Property of Multiplication to simplify: \(6(3 x)\).

TRY IT 7.9

Use the commutative properties to rewrite the following:

(a) \(-4+7=\) ______

(b) \(6 \cdot 12=\) ______

TRY IT 7.10

Use the commutative properties to rewrite the following:

(a) \(14+(-2)=\) ______

(b) \(3(-5)=\) ______