Question

Can any1 Solve
Q1. 5log25/24 - 3 log80/81 - 7log 15/16

Answer 1

hey friend i hope this will be helpful to you ...
the log is fined by some rules ...
$5(log25 - log24) - 3(log80 - log81) - 7(log15 - log16) \\ 5(1.39 - 1.38) - 3(1.9031 - 1.9085) - 7(1.17 - 1.20) \\ 5(0.01) + 3(0.0054) + 7(0.03) \\ 0.05 + 0.0162 + 0.21 \\ 0.2762$