Move the base number to the 'other side" of a division bar and change the exponent to the opposite sign. Example: 1/9 = 3^-2 becomes 1/(3^2) or 4 = 1/
(2^-2) becomes 2^2. Try it on your calculator to check your work.
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You can do it if you replace the base by its reciprocal.
A negative exponent means the same as a positive exponent in the denominator. Thus, x-0.5 = 1/x0.5. This, in turn, is equivalent to 1/(square root of x).
Example: (4x)-2 The answer to this would be 1/ 16x2. Multiply it out as if the negative exponent was not there ((4x)2), then that will be the denominator of the fraction. The numerator is one.
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