Question

simplify (x^2y^-1)^-3

Answer 1

thats not one of my options on my answer sheet ?

Answer 2

\[\huge (x^a)^b=x^{ab}\]

Answer 3

you need to use the formula I gave you to solve the question

Answer 4

Use the power rule for exponents. ChmE just gave it to you above.

Answer 5

oh duh -_-

Answer 6

k thanks let me try it

Answer 7

yup thats what i got !

Answer 8

@ktnguyen1 is incorrect

Answer 9

idk why on my answer sheet its the oppisite way, does it matter?

Answer 10

yes because they are wrong.

Answer 11

\[ (x^2y^{-1})^{-3}=x^{-6}y^3=\frac{y^3}{x^6}\]

Answer 12

so its y^3/x^6

Answer 13

@AnimalAin is correct. look at how they applied the power rule for exponents

Answer 14

OK, so you've got an answer. Do you understand how to do it?

Answer 15

yup thanks guys!