Question

Simplify


(-7/8) with the power -3 x (-7/8) with the power 2
​

Answer 1

Answer:

${{7 \div 8}}^{ - 3} \times {{7 \div 8}}^{2} = {{7 \div 8}}^{ - 3 + 2} = {{7 \div 8}}^{ - 1} = \frac{8}{7}$

$because \: powers \: add \: in \: exponents$

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