Recall the logarithm rules :
a^y = x is the same as log_a x = y
In this case,
a = 18
y = r - 10
x = 93
So,
18^ (r-10) = 93
is the same as
log_18 93 = r - 10
Solve for r to get :
10 + log_18 93 = r
Answer:
i dont know
Step-by-step explanation:
yup
Answer:
Option D 5.1962
Step-by-step explanation:
we have
The number
and the number 
I assume for the choices provided that the operation is calculate
divided by 
so
(rounded to the nearest ten thousandth)