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Cutiepo0

  • 4 years ago

Evaluate: 2^3/(2^0 - 2^-1)

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  1. jimmyrep
    • 4 years ago
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    8 / (1 - 1/2) = 8 / 1/2 = 16

  2. Cutiepo0
    • 4 years ago
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    okay thanks :) but how do you know that 2^-1 is = 1/2

  3. jimmyrep
    • 4 years ago
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    a negative exponent means 1 / +ve so 3^-1 = 1/3^1 = 1/3 3^-2 = 1/3^2

  4. Cutiepo0
    • 4 years ago
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    Okay :) I get it now. THanks :)

  5. Cutiepo0
    • 4 years ago
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    Also... do you know if I want to make the exponent -2^-1 apositive exponent and I flipped it to the top of the equation, would the two become positive????

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