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Which expression is equivalent to (10x)^-3? a. 10/x^3 b. 1000/x^3 c. 1/1000x^3 d. 1/10x^3
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3 votes
Which expression is equivalent to (10x)^-3?

a. 10/x^3
b. 1000/x^3
c. 1/1000x^3
d. 1/10x^3

User Holmes
by
8.2k points

2 Answers

7 votes

Answer:

C

Explanation:

User Jamie Birch
by
8.0k points
2 votes
(10x)^ (-3)
= 1/ [(10x)^3]
= 1/ [10^3* x^3]
= 1/ (1000x^3)

The final answer is 1/ (1000x^3), and I don't think there is a correct option to choose from. ( option c would be correct if it were written with round brackets)

Hope this helps~
User Richard Levasseur
by
8.2k points
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