Step-by-step explanation:
1. (4/8)^6+(-4)
=(4/8)^2
=16/64
= 1/4
2.(-7/8)^-3+2
=(-7/8)^-1
= -8/7
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Step-by-step explanation:
1. (4/8)^6+(-4)
=(4/8)^2
=16/64
= 1/4
2.(-7/8)^-3+2
=(-7/8)^-1
= -8/7