Question

verify each of the following
a.(8×9)×5=8×(9×5)
b.[(-7)×(-9)]×(3)=(-7)×[(-9)×(3)]
c.[4×(-112)]×5=4×[(112×5]​

Answer 1

Step-by-step explanation:

a. 72x5=8x45

360=360

b. -7x(-9)x3=-7x(-9)x(3)

-x-=+ so 63x3= -7x(-27)

189=189

c. 448x5=4x560

2240=2240

Answer 2

Answer:

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