Question

Check my work?

http://prntscr.com/171q9s

Answer 1

175r^22/8

Answer 2

not sure hold on

Answer 3

175r^5 / √(8²r^16 r)
175r^5 / (8r^8√(r))
175 / (8r^3√(r))
175√(r) / (8r^4)

Answer 4

Huh? No it wouldn't...

Answer 5

175r^5 / √(8²r^17 r)
175r^5/√8r^17
175r^5/8r^8√r
175/8r^4√r

Answer 6

(175/8) /r^(7/2)