pls help thank you

[dapper geyser]

Shame on you for not being able to do this

[upbeat grove]

1 over log base 7, 5 = log base 5, 7

so 5^log base 5, 7 = 7

-log base 10, 0.1 = log base 10 ,10

which is 1

so overall it's the cube root of (7+1)

= 2

you can rewrite 0.1 as 10^(-1)

and log a^n = nlog a