dsyhick dsyhick

01-05-2021
Mathematics

contestada

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

Respuesta :

gayanepoghosyan gayanepoghosyan

01-05-2021

Answer:

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

Step-by-step 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

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