Question

Which of the following expressions is not equal to x^3

Answer 1

Your choices...?

Answer 2

A. X^5*x^-4*x^2
b x^-2*x^9*x^-4
c. x^0*x^10*x^-7
d.x*x^7*x^-4

Answer 3

you have the same base so work with the exponents

when you multiply numbers or variables add the exponents
when you divide numbers or variables subtract the exponents

Answer 4

the question is asking which set of addition and subtraction is not equal to 3

Answer 5

do you understand why the answer is d?