81.4k views
4 votes
Which of the following expressions is not equal to X^3?

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

User Juanhl
by
7.6k points

1 Answer

5 votes

Answer:

D. x. x^7 . x^-4

Explanation:

A. X^5 . X^-4 .X^2=X^(5-4+2)= X^3

B. X^-2 .X^9 .x^-4=X^(-2+9-4)= X^3

C.x^0 . x^10 . x^-7=X^(0+10-7)= X^3

D. x. x^7 . x^-4=X^(1+7-4)= X^4

User Alexander Krol
by
6.9k points