Question

(-5power of-1÷-2power of-1) ×-5/8power of-1

Answer 1

$( { - 5})^{ - 1} \div ({ - 2})^{ - 1} \times (\frac{ - 5}{8})^{ - 1} \\ \\ \\ \frac{ - 1}{5} \div \frac{ - 1}{2} \times \frac{ - 8}{5} \\ \\ \frac{ - 1}{5} \times - 2 \times \frac{ - 8}{5} = \frac{ - 16}{25}$