Resposta:
log₄ 81 =log 81 / log 4
= log 3⁴/log 2²
=4*log 3/ (2*log 2)
=2*log 3/ log 2
=2* 0,477/0,301
=3,16943 ~ 3,17
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Resposta:
log₄ 81 =log 81 / log 4
= log 3⁴/log 2²
=4*log 3/ (2*log 2)
=2*log 3/ log 2
=2* 0,477/0,301
=3,16943 ~ 3,17
Letra C