Question

log0,25 na base 8 e log25 na base 0,008

Answer 1

8log0,25 = -4,816

0,008log25 = 0,011

Answer 2

25^x = 0,008

= (5^2)^x =8/1000

= 5^2^x = 2^3/10^3

= 5^2^x = (2/10)^3

= 5^2^x = (1/5)^3

= 5^2^x = 5^-3

= 2x = -3

= x=-3/2