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Questions Which expressions equivalent to 7 to the power of 4 over 7 to negative power of 5

User Sherrellbc
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The expression is


(7^4)/(7^(-5))

When you divide exponents with the same base number, in this example the base number is 7, you have to subtract the exponents. The base number remains unchanged:


(7^4)/(7^(-5))=7^(4-(-5))=7^(4+5)=7^9

User Ruslan Gilmutdinov
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