Question

simplify x^10 over x^8

Answer 1

When dividing exponential expressions expressions with the same base, you just subtract the denominator's exponent from the numerator's exponent.
\[x^{a}/x^{b} = x^{a-b}\]

Answer 2

So that makes it x^2 ?

Answer 3

yep, good job

Answer 4

thanks !

Answer 5

no prob! If you want to learn more about properties of exponents, here is a helpful site: http://www.sparknotes.com/math/algebra1/exponents/section3.rhtml

scroll down to the bottom to see the summary of the rules