Q. Simplify. Express your answer using positive exponents.7z77z4
Write Expression: Write down the given expression.We have the expression 7z77z4. We need to simplify this expression by dividing the coefficients and subtracting the exponents of the like bases.
Divide Coefficients: Divide the coefficients.Since the coefficients are the same 77, they divide out to 1.77=1
Apply Quotient Rule: Apply the quotient rule for exponents.The quotient rule states that when dividing like bases, you subtract the exponents: am/an=a(m−n).z4/z7=z(4−7)=z−3
Express Negative Exponent: Express the negative exponent as a positive exponent.Since we want to express our answer using positive exponents, we rewrite z−3 as z31.
Combine Results: Combine the results from Step 2 and Step 4.Since the coefficient is 1, it does not change the value of the expression, so we have:1×z31=z31
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