Question

Calcule o valor dos seguintes logaritmos:
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Answer 1

(5/3)^x = 0,6

(5/3)^x = 3/5

(5/3)^x = (5/3)^-1 ===> x= -1

0,2^x = 0,04

0,2^x = 0,2^2 ====> x =0,2

10^x = 0,001

10^x = 10^-3 ====> x= -3

4^x = √2

(4^x)² = (√2)²

4^2x = 2

(2²)^2x = 2

(2)^4x = (2)^1

4x = 1===> x=1/4