Question

Write your answer without using negative exponents (u^4)^-7

Answer 1

Answer:

$\frac{1}{ {u}^{28} }$

solution,

${(u}^{4} \: )^{ - 7} \\ = {(u)}^{4 \times ( - 7)} \\ = {(u)}^{ - 28} \\ = \frac{1}{ {u}^{28} }$

Hope this helps...

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