Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (anonymous):

(2x)^-5/x^4

OpenStudy (anonymous):

What is x^-n?

OpenStudy (anonymous):

1/x^n ?

OpenStudy (anonymous):

so what is (2x)^-5?

OpenStudy (anonymous):

1/32x^5

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

so what is 1/32x^5 * 1/x^4?

OpenStudy (anonymous):

answer is \[1/32x^{9}\]

OpenStudy (anonymous):

how did it become 1/x^4 ?

OpenStudy (anonymous):

what is x/3 ? it is x*1/3. similarly 2x^-5/x^4 = 2x^-5 * 1/x^4

OpenStudy (anonymous):

is that the reciprocal?

OpenStudy (anonymous):

no.

OpenStudy (anonymous):

\[2/3 = 2*(1/3)\]

OpenStudy (anonymous):

2 by 3 is 2 times 1 by 3

OpenStudy (anonymous):

so 2x^-5/x^4 = 1/2x^5 * 1/x^4

OpenStudy (anonymous):

yes.

OpenStudy (anonymous):

ahhhh thank you!

OpenStudy (anonymous):

2x^-5/x^4 = 1/(2x)^5 * 1/x^4 its more correctly

OpenStudy (anonymous):

(2x)^-5/x^4 = 1/(2x)^5 * 1/x^4

OpenStudy (anonymous):

you are welcome

OpenStudy (anonymous):

thanks i very glad to see you ))

OpenStudy (anonymous):

oh yeah you're right

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

Nsea good luck

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!