Discussion Forum



1)

The value of log 400 - log 5 – log 4 – log 2 is


A) 0

B) $\frac{1}{2}$

C) 1

D) 2

Answer:

Option C

Explanation:

log 400 - (log 5+log 4+log 2)

=$log\frac{400}{5\times 4\times 2}$

=$log\frac{400}{40}$

= log 10

=1