Question

qual o valor da base a:
log 1/16 na base a=2

Answer 1

16 = 2⁴

$\frac{1}{16} = \frac{1}{2^4} = 2^-^4$

log₂ 1/16 = x

$2^x = 2^-^4$  simplifica o 2

x = - 4