Math correct
posted by Bryan .
AM I RIGHT??
simplify
(2x^2y^2z)^2(x^4y)^5
I CAME WITH 4x^13y^9z^2 FOR THE ANSWER..
convert the number to scientifc notation
13,550,000,000
I CAME WITH 1.355x10^9 FOR THE ANSWER

On the second, no. try 10^10. Think about that.
Now on the first, no.
expand the first part:
2x^2y^2z^2 squared
4x^4 y^4 z^4
Now the second part.
x^4 y to the fifth..
x^20 y^5
Now combine them by adding exponents. 
okay. is it 4x^36y^20z^2

No. You are missing something.
the two to combine are:
(4x^4 y^4 z^4)(x^20 y^5)
Take the y exponents. What is 4+5?
When multiplying add the exponents. When taking to a power, multiply.
x^{3} * x^{k}=x^{3+k}
(x^{m})^{n} =x^{mn}
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