Question

What rule am I supposed to write for these equations?

Answer 1

\[\sqrt{q ^{8}}=\sqrt{(a ^{4}})^{2}\]
=\[a ^{4}\]
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\[\sqrt{q ^{9}}=\sqrt{(x ^{4}})^{2}*\sqrt{x}\]
\[= x ^{4}\sqrt{x}\]

Answer 2

Whoops, I didn't mean to turn q to x

Answer 3

is that a fraction ?
for 2nd one
q^9 isn't same as (q^4)^2
\[\rm (a^m)^n =a^{m \times n}\]