Question

. Fill in the blank. Also, name the property used. i) [13+(−18)] +(___) = 13 + [(−18) + (−8)] ii) (−7) + (−4) = (−4) + (_______)​

Answer 1

Answer:

I -8

ii-7

property is associative property of addition in I

and commutative property of addition in ii

hope it helps you

Answer 2

Given :--

i) [13+(−18)] +( -8 ) = 13 + [(−18) + (−8)]

Associative law

ii) (−7) + (−4) = (−4) + ( -7 )

Commutative law

HOPE IT WILL HELP YOU...

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