Posted by **mary** on Wednesday, April 27, 2011 at 5:49pm.

I am really having problems with monomials: Please help!

Simplify:

4x^2 y^3 Z

----------- (divided by)

5y^4 Z^3

is the answer

4x

------ (divided by)

5yz^2

- Algebra -
**MathMate**, Wednesday, April 27, 2011 at 8:02pm
With monomials, you can look at each unknown (variable) individually when you do a division:

4x²

------- = 4x²/5

5

y³/y^{4} = 1/y

z/z³ = 1/z²

So putting everything together:

4x^2 y^3 Z / 5y^4 Z^3

4x²/(5yz²)

- Algebra -
**RACHEL**, Sunday, September 16, 2012 at 11:20pm
Explain the difference in answers between the following exponential expressions. Include the solutions?

7^2, -7^2,(-7)^2, and 7^-2

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