Question

$( {x}^{ - 7} \div {x}^{ - 10}) \times {x}^{ - 5}$
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Answer 1

Step-by-step explanation:

$\frac{x ^{ - 7} }{x {}^{ - 10} } \times x {}^{ - 5}$

where power is negative then we have to do reciprocal

$\frac{x {}^{10} }{x {}^{7} } \times \frac{1}{x {}^{5} }$

$x {}^{ 10 - 7 - 5}$

$x {}^{ - 2}$

$\frac{1}{x {}^{2} }$

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