Question

Verify associative property of addition for (-112), (-81), 21

Answer 1

Answer:

(-112+-81)+21= -172

-112+(-81+21) = -172

hence addition is closed under associative property.

Answer 2

Answer:

-112-81-21

:- (-112-81)+21=‐112+(-81+21)

:- -172=-172

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