Question

$( - 4) ^ - 3 \times (5)^3 \times ( - 5) ^ - 3$
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Answer 1

$\huge{\underline{\underline{\red{♡Solution→}}}}$

$( { - 4)}^{ - 3} \times {5}^{3} - ( { - 5)}^{ - 3} \\ = ( { - \frac{1}{4} )}^{3} \times 125 \times ( { - \frac{1}{5} )}^{3}$

$= - \frac{ 1}{64} \times 125 \times ( - \frac{1}{125} )$

$= \frac{1}{64}$

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