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Evaluate: 3^x=81
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Number Theory
Evaluate: 3^x=81
Blog
Topics
Algebra
Calculus
Geometry
Number Theory
Probability
Statistics
Trigonometry
Expression: ${3}^{x}=81$
Write the number in exponential form with the base of $3$
${3}^{x}={3}^{4}$
Since the bases are the same, set the exponents equal
$x=4$
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