SOLUTION: hi..im in 7th grade algebra and i work out of the algebra 1 book published by glenco. i am in chapter 8 and working on dividing monomials. i really dont understand my homework and

Question 434848: hi..im in 7th grade algebra and i work out of the algebra 1 book published by glenco. i am in chapter 8 and working on dividing monomials. i really dont understand my homework and need help.. i dont want you to give me the answer, i want to be able to understand it. i dont understand wether i am supposed to divide the final product or what. here is some questions i am having trouble with on my homework for tonight.

#20. -2a cubed over 10a to the eighth power.
#22. x cubed times y to the zero power times x to the negative 7th power.
please help!!
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
#20. -2a cubed over 10a to the eighth power.
-----
Maybe you know the exponent tells you the number of the base factor.
Your problem could be written as follows;
= [-2aaa]/[10aaaaaaaa]
----
Cancel common factors to get the answer.
===========================================

#22. x cubed times y to the zero power times x to the negative 7th power.
[xxx*y*z^0][x^-7]
---
The negative on the exponent means "invert".
z^0 = 1
----
So you have:
= [xxx*y*1][1(xxxxxxx)]
---
Cancel common factors to get the answer.
===========================================
Cheers,
Stan H.
===========

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