Algebra
posted by
Michelle on
.
Please Simplify
( 3x^5 y^8)^4 )
( )
( z^2 )

Algebra 
DrBob222,
I would eliminate the exponent (4) and move Z^2 to the numerator and y^8^4 to the denominator.
81X^20*Z^2/y^32

Algebra 
Demi,
How long will it take to earn $525 in interest if $3500 is invested at a 6% annual interest rate?