Question

evaluate this question ​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

7

Step-by-step explanation:

See in the attachment.

$\boxed{{{{\text{\blue{Some Important Laws of Indices}}}}}}$

${a}^{n}.{a}^{m}={a}^{(n + m)}$

${a}^{-1}=\dfrac{1}{a}$

$\dfrac{{a}^{n}}{ {a}^{m}}={a}^{(n-m)}$

${({a}^{c})}^{b}={a}^{b\times c}={a}^{bc}$

${a}^{\frac{1}{x}}=\sqrt[x]{a}$

$[\text{where all variables are real and greater than 0}]$