Posted by **Help!** on Monday, June 1, 2009 at 11:13am.

The Power of a Power Rule

Simplify. All variables represent nonzero real numbers.

-5y^4(y^5)^2 / 15y^7(y^2)^3

I got:

-5y^40 / 15y^42

Is this correct?

- Math -
**Ms. Sue**, Monday, June 1, 2009 at 11:14am
You'll attract the attention of our math tutors if you use your school subject on the above line.

- College -
**bobpursley**, Monday, June 1, 2009 at 11:16am
no, see the other post. Learn to put the correct subject in the box if you want attention from folks in that area.

- College -
**bobpursley**, Monday, June 1, 2009 at 11:17am
and have some patience, you only posted the other 12 minutes ago. Now if you are in a test session, Fie on you.

- College -
**Help!**, Monday, June 1, 2009 at 11:20am
Well Ms Sue, I would have, but when I did, you all ignored it for over 20 mins and went on to the easier questions. So is that a sign you do not understand the question?

As for Bob, I appreciate you answering the question on the other post (even though it took over 25 mins). But your attitude is poor for a tutor who is supposed to help others.

- College -
**bobpursley**, Monday, June 1, 2009 at 11:23am
Thanks, and good luck.

- College -
**Reiny**, Monday, June 1, 2009 at 11:58am
Wow, "we" ignored it for 20 minutes, and you conclude that we did not understand the question?

You do realize that all tutors are volunteers and you getting this service for nothing?

You labeled your post as "College", yet it is of a grade 8 difficulty, and secondly your question is not really clear.

You probably meant -5y^4(y^5)^2 / (15y^7(y^2)^3)

which is

-5y^14/(15y^13)

= -y/5

Your negative comment to Bob was totally unwarranted.

The only reason I actually answered your question was to show you how totally easy it was.

- College -
**Reiny**, Monday, June 1, 2009 at 12:04pm
and guess what, I made a typo in the last line

should have been

-y/3 ,lol

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