How do we do thisss 3^-2 × 3^x = 81
2 answers:
Answer:
3^2=3x3=9
3^2=3x3=9
=9x9
<h3>=81</h3>
x=2
Answer:
x = 6
Step-by-step explanation:
Using the rule of exponents
× ⇔ , then
× = 81 , that is
=
Since the bases on both sides are equal, both 3 then equate the exponents
x - 2 = 4 ( add 2 to both sides )
x = 6
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Step-by-step explanation:
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Answer:
Step-by-step explanation:
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