Evaluate:

A. 2^-3

B. 18^0

C. 4^0 + 4^-5

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The value of the terms with exponents has to be evaluated.

Use the following properties, for any number X, `X^0 = 1` and `X^-y = 1/X^y`

A. `2^-3 = 1/2^3 = 1/8`

B. `18^0 = 1`

C. `4^0 + 4^-5 = 1 + 1/4^5 = 1025/1024`

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