Question

De o valor de log 81/16.Dado log 2=0,3 e log 3=0,48

Answer 1

log 81 /16 = log81 - log 16 = log3⁴ - log2⁴ = 4 log 3 - 4 log 2 = 4 . 0,48 - 4 . 0,3 = 
= 1,92 - 1,2 = 0,72