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23-11-2020
Mathematics

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What expressions are equivalent to 4^-2 times 7^-2.
choose two answers

a. (4 times 7)^-4
b. 1/28^2
c. 7^-2/4^2
d. (4 times 7)^4

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azumakixtephan68 azumakixtephan68

25-11-2020

for the first time in a few days and

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