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anonymous

  • one year ago

What is the value of the expression 7 of the power –3? –21 -1/343 1/343 343

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  1. anonymous
    • one year ago
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    First one since I'm guessing the question was 7 x -3

  2. anonymous
    • one year ago
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    oo editted ok =1/7^3 =1/343

  3. Jamierox4ev3r
    • one year ago
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    think of \(7^{3}\) then think of \(7^{-1}\) \(\large 7^{3}=343\) \(\large 7^{-1}=\frac{1}{7}\)

  4. Jamierox4ev3r
    • one year ago
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    a negative exponent switches the numerator and the denominator For example, if \(7^{-1}\) is equal to \(\large\frac{1}{7}\), this means that \(7^{1}\) was equal to \(\large\frac{7}{1}\), which is also 7.

  5. Jamierox4ev3r
    • one year ago
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    so if \(7^{3}\) is equal to \(\large\frac{343}{1}\), then \(7^{-3}\) is equal to? @cakequeen_22

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