Question

What did I do wrong.

Answer 1

It looks right to me. Did it say it was wrong?

Answer 2

yes

Answer 3

I think the bottom one is wrong

Answer 4

hm

Answer 5

@vocaloid

Answer 6

important rules:
Power rule:
\[(a^b)^c=a ^{bc}\]


you incorrectly evaluated (3y^5)^3
use the rule i just provided to get a different numerator

Answer 7

Mark. Do you add or multiply the exponets

Answer 8

there is no addition side seperating them so multiply them

Answer 9

Okay

Answer 10

\[\frac{ 27y^9 }{ 2 }\]

Answer 11

is that right

Answer 12

\[\frac{ 27 }{ 2 }y^9\]

Answer 13

Hm yes.

Answer 14

Thanks for helping me.