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Write the expression using exponents. $\newline$ $81 \cdot 81$ $\newline$ $81^{--}$

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Writing from expanded to exponent form

Full solution

Q. Write the expression using exponents.

\newline

81 \cdot 81

\newline

81^{--}

Count Multiplication: Count how many times $81$ is multiplied by itself. $\newline$ Calculation: $81$ is multiplied by itself $1$ time.
Rewrite Using Exponent: Rewrite $81 \cdot 81$ using an exponent. $\newline$ Calculation: $81 \cdot 81 = 81^2$

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