Question

HELP?

Answer 1

https://gyazo.com/74b1bdf4edd7538fa5be4ed42897c1e4

Answer 2

this is a very simple example of the rules about indices.

Answer 3

think about for instance

\[(x ^{2})^{3}\]

=
\[(x *x) (x*x) (x*x) = x ^{6}\]

so you multiply the indices in this case

Answer 4

in general terms
\[x ^{a ^{b}}=x ^{ab}\]

Answer 5

oh I get it

Answer 6

in your case a and b are 5 and 7