1) 52=x*10^m

2) 80=x*10^3m

my attempt

from 1) rearrange to get x=52/10^m

then sub into 2)

so

80=52/10^m * 10^3m

so

log 10(80) = log10(52) - log10(10^m) + log10(10^3m)

thenn i get

80=52 - m +3m

Help, Thank You. im unsure abou the log 10(80) part i think it should be 10^80 ?