Question

15r^5(r^-5)-2
_____________
16(r^5)5
can someone help me

Answer 1

\[\frac{15r^5-2}{16(r^5)r^5}\]

Answer 2

I brought (r^-5) to the bottom but put it with a positive exponent.
See?

Answer 3

So far so good?

Answer 4

yes

Answer 5

\[d^4d^4\] you add exponents, so what would you get for
the (r^5)(r^5) on the bottom

Answer 6

r^10 ?

Answer 7

\[\frac{15r^5-2}{16r^10)5}\]
it is r^10
good?