# Write each expression using a single exponent.

Write each expression using a single exponent.

34.) 5^10/5^7

36.) 76^11/76^5

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1. when dividing, just subtract exponents:

5^10 / 5^7 = 5^(10-7) = 5^3
because
5^10 = 5*5*5*5*5*5*5*5*5*5
5^7 = 5*5*5*5*5*5*5
divide, and seven of the 5's cancel, leaving only 3 in top: 5^3

76^11 / 76^5 = 76^(11-5) = 76^6

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posted by Steve

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