Casey82680
Casey82680 Casey82680
  • 07-10-2017
  • Mathematics
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can someone solve this problem for me? Show me your steps to solve this problem as well.

can someone solve this problem for me Show me your steps to solve this problem as well class=

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jdoe0001 jdoe0001
  • 07-10-2017
[tex]\bf 3^x=81\qquad \begin{cases} 81=3\cdot 3\cdot 3\cdot 3\\ \qquad 3^4 \end{cases}\implies 3^x=3^4\implies x=4[/tex]

if their base is the same, the exponents must also be the same for the equation to be true.
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