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Write the expression using exponents.\newline81⋅8181 \cdot 81\newline81−−81^{--}

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Full solution

Q. Write the expression using exponents.\newline81⋅8181 \cdot 81\newline81−−81^{--}
  1. Count Multiplication: Count how many times 8181 is multiplied by itself.\newlineCalculation: 8181 is multiplied by itself 11 time.
  2. Rewrite Using Exponent: Rewrite 81⋅8181 \cdot 81 using an exponent.\newlineCalculation: 81⋅81=81281 \cdot 81 = 81^2

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