Which expression is not equivalent to 1/343? a. 7^4 x 7^-7 b. 7^7 x 7^-10 c. 7^2 x 7^-5. d. 7^-5 x 7^2

asked Oct 13, 2018 72.3k views

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which expression is not equivalent to 1/343? a. 7^4 x 7^-7 b. 7^7 x 7^-10 c. 7^2 x 7^-5. d. 7^-5 x 7^2

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4 votes

343=7*7*7=7³
1/343=1/7³=7^(-3)
the answer is equivalent to all of the above.
Please double check your question.

Danyolgiax answered Oct 15, 2018

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2 votes

1/343 = 1 / 7^3 or 7^-3

so a is equivalent, so is b, c and d

they are all equivalent

Smolchanovsky answered Oct 20, 2018

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