Algebra

Which is an equivalent form of the expression 1800(1.2)–t?

Is 1800(1/2)^t correct?

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asked by Emma
  1. 1.2^-t = 1 / 1.2^t
    That is clearly not the same as 1 / 2^t

    recall that x^-a = 1/x^a

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    posted by Steve

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