Help with exponents?

- anonymous

Help with exponents?

- jamiebookeater

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- anonymous

x\[(x^{4})^{3/5}\]

- anonymous

yes...

- anonymous

Ignore the first x.

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## More answers

- anonymous

power on power will be multiplied

- anonymous

I do not understand?

- anonymous

4*3/5=12/5

- Australopithecus

Use the rules
\[x^3 = x(x)x\]
\[(x^3)^3 = (x^3)(x^3)(x^3)\]

- Australopithecus

\[(x^3)(x^3) = x^6\]

- anonymous

I'm confused because my answer choices aren't any thing I am getting, or anything like that. They have square roots

- Australopithecus

\[(x^3)^3 = (x^3)(x^3)(x^3) = x^9\]
3*3 = 9
3 + 3 + 3 = 9

- Australopithecus

look at my example and think about it

- anonymous

see this (x^2)^2 will x^4 i multiplied 2 with 2 for getting answer.

- anonymous

I understand that you add the exponents when multiplying exponents

- Australopithecus

look at my example though, once you understand why it is true you will be able to solve your answer very easily

- anonymous

yes just multiply exponents.

- Australopithecus

do you know how to multiply fractions?
\[\frac{3}{4}*5 = \frac{3}{4}(\frac{5}{1 }) = \frac{3*5}{4*1} = \frac{3*5}{4} = \frac{15}{4}\]

- anonymous

Why are you using 3/4?

- Australopithecus

I'm showing you examples of fraction multiplication, I'm not going to solve your problem for you, but I will teach you how to solve it

- anonymous

I know how to do all of that, though.

- Australopithecus

so what is your problem?

- Australopithecus

exactly?

- anonymous

All of the answers I'm getting are far from right. I'm really not sure what exactly I'm doing wrong

- Australopithecus

well can you show your work?

- Australopithecus

I can look it over for you and tell you where you are going wrong

- Australopithecus

there isn't any trick to this problem, when you have
\[(x^3)^3 = x^9\]
\[(x^2)^{1/2} = x^{2\frac{1}{2}} = x^1 = x\]
\[(x^5)^{3} = x^{5*3} = x^{15}\]

- Australopithecus

show me the answer you are getting

- anonymous

\[(x^{4})^{3/5}\]
=
\[x^{4/1} * ^{3/5}\]
=
multiplied the fraction, got x^12/5
thenhad to put it ion radical form: \[\sqrt[5]{x}^{12}\]

- anonymous

in*

- anonymous

after that i am clueless

- Australopithecus

looks right

- anonymous

I know I'm on the right track. But I don't know what else to do, do I simplify the x^12?

- Australopithecus

https://www.wolframalpha.com/input/?i=%28x^4%29^%283%2F5%29

- Australopithecus

you cant simplify 12/5

- Australopithecus

Email your instructor it is obviously a mistake on the site

- Australopithecus

In the future it might help to post the answer you got in the question.

- Australopithecus

or you can always use wolframalpha to check your answers :)

- anonymous

Ok. Thank-you for your time!

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