Exponents: Division rule: a^x / a^y = a^(x-y)

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Now Playing:Exponent division rule– Example 1

prove: ${8^5 \over 8^2} = 8^{5-2} = 8^3$

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simplify: ${100a^{16}b^3c^7 \over 2a^4c^8}$

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