Select the correct answer.
Simplify the following expression.
x^-2/3 x x^6/7
A.
B.
C.
D.

Answer:
Yes you are correct. It is x^4/21 or C.
Step-by-step explanation:
x^-2/3 • x^6/7
x^ -2/3 + 6/7
x^ 7(-2) + 3•6 / 3•7
x^ -7 •2 + 18 / 3•7
x^ -14 + 18 / 3•7
x^ 4 / 3•7
x^ 4/21