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Mathematics

Just one little question. Please help with exponents.
8 years ago
BOOMARK THIS PAGE http://www.mathsisfun.com/algebra/exponent-laws.html Scroll down a bit to see a nice table of all the exponent rules and examples. :)
8 years ago
\[8^{-1} + 2^{-3}\] How would we do this and please DO NOT do it in decimal form. Do in exponential form.
8 years ago
\(8^{-1}=\dfrac{1}{8}\) and \(2^{-3}=\dfrac{1}{2^3}=\dfrac{1}{2\cdot 2\cdot 2}\)
8 years ago
and then we just add the denominator and numerator
8 years ago
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