The property :(a) 12+(4+9)=(12+4)+9
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Answer:
associative property of addition
Step-by-step explanation:
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Step-by-step explanation:
(i) 124⋅93⋅463⋅82⋅27
=(22⋅3)4⋅(32)3⋅22(2⋅3)3⋅(23)2⋅33
=28⋅34⋅36⋅2223⋅33⋅26⋅33
=28+2−3−6⋅34+6−3−3
=2⋅34=162
(ii) 23⋅a3⋅5a4
=23⋅a3⋅a4⋅5
=23⋅5⋅a3+4
=8⋅5⋅a7=40a7
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