b. Simplify :(2
^−1 ÷ 5
^−1
)
^2× (
−5/
8
)
^
−1
Answers
Answered by
4
Answer:
(-10)
Step-by-step explanation:
(2^(-1)÷5^(-1))²×(-5/8)^(-1)
=(1/2÷1/5)²×(-8/5)
=(1/2×5)²×(-8/5)
=(5/2)²×(-8/5)
=25/4×(-8/5)
=(-10)
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