Question

simplify

(2 to the power -1 ÷ 5 to the power -1) × ( -5/8) to the power -1.

please answer fast. see the attachment and answer it with full procedure. please.

Answer 1

${2}^{ - 1} \div {5}^{ - 1} \times \times { (\frac{ - 5}{8}) }^{ - 1} \\ \frac{5}{2} \times \frac{8}{ - 5} \\ = - 4$
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Answer 2

Attached image of answer
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