Samst3r Samst3r

02-03-2017
Mathematics

Answered

which expression simplifies to (-5 · 2² · 2⁰)⁻² ? Please show work.

A-80
B-40
C-1/40
D1/400

Verified Answer :

theshammy123 theshammy123

02-03-2017

the answer is d. 2⁰ is 1 so you dont have to multiply that. (-5 x 4) ⁻² is -20⁻². -20⁻² = (1/-20)² ; 1 x 1 = 1; -20 x -20 = 400. so it is 1/400

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