Find the logarithm using the​ change-of-base formula. log820

Question

Find the logarithm using the​ change-of-base formula.

log8820

Answer 1

log(8820) = log(8.820 x10^3) = 3 + log8.820 = 3+0.9454 = 3.9454

log (8820) = ln(8820)/ln10 = 9.08478/2.3026 = 3.9454

Answer 2

common log of 8820 = about 3.9455

log8820 = ln8820/ln10 = 9.085/2.3 = 3.95

but it's unclear what you are posting as the problem

you have log820 in the bold face question then

change it to log8820 a line down

maybe you even meant log820 as log20 to the base 8?

if so it = log20/log8 =ln20/ln8=about 1.44064