On this problem, I need to simplify this:

(10x^3y^5)^-3

I've got this so far: 10x^-9y^-15.

How do I get rid of the negative exponents 9 and 15?
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move em to the bottom. or up. whatever needs to happen. i do believe.
Remember.. x^-1 = 1/x

So 10x^-9y^-15 is = 1/(10x^9y^15)
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Why didn't you do anything to the 10x?

Edit: this problem doesn't make sense... How do you put an exponent on an exponent? Or does the "^" mean something else?
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Last edited by merfsullivan at Feb 25, 2009,
stick the neg exponents in the denomintaor
it would be 10/(x^9y^15)
No no no no. You are supposed to expand the exponents. Example -> (x-2)^3 = (x-3)(x-3)(x-3) and NOT (x^3-8)

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[quote="'[BurnTheDusk"]']Boss pedals may be built like tanks but I would rather buy a cardboard box that is on my side than pay for a tank that is working against me.
what does ^ mean?

Quote by Våd Hamster
Find a dice and assign a number to each girl. Throw the dice.

The number you hope for at the moment you throw the dice, is the one you'll want to keep.
Exponent.

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[quote="'[BurnTheDusk"]']Boss pedals may be built like tanks but I would rather buy a cardboard box that is on my side than pay for a tank that is working against me.
Quote by Dr.Pain-MD
Exponent.

What does exponent mean?

Like I'm good at maths but I don't know how you guys write it on here?

Quote by Våd Hamster
Find a dice and assign a number to each girl. Throw the dice.

The number you hope for at the moment you throw the dice, is the one you'll want to keep.
If you don't know what an exponent is, then I seriously doubt your math skills.

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[quote="'[BurnTheDusk"]']Boss pedals may be built like tanks but I would rather buy a cardboard box that is on my side than pay for a tank that is working against me.
I might nkow what it is but not using that word

Quote by Våd Hamster
Find a dice and assign a number to each girl. Throw the dice.

The number you hope for at the moment you throw the dice, is the one you'll want to keep.
Distribute the ^ -3 to the 10, x, and y. so you get 1/(10^3x^9y^15),like someone already showed the negative exponent can be taken as the reciprocal of any given exponent and the 10 is inside the quantity so it also gets raised to -3
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Last edited by rcbass at Feb 25, 2009,
In other words x^3 is x to the power of three/third degree/cubed.
EDIT: rcbass - that is wrong. Expand the terms, not just multiply out the exponents.

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[quote="'[BurnTheDusk"]']Boss pedals may be built like tanks but I would rather buy a cardboard box that is on my side than pay for a tank that is working against me.
You have to raise the coefficients to ^-3, as well.
Okay - I give up. This is what happens when you ask UG for math help.

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[quote="'[BurnTheDusk"]']Boss pedals may be built like tanks but I would rather buy a cardboard box that is on my side than pay for a tank that is working against me.
Quote by Dr.Pain-MD
Okay - I give up. This is what happens when you ask UG for math help.

Well, rcbass is right, anyway.