Question

write the following expressions as log N and find their values
1 - log 2 + log 3
2 - log 5 - log 2
3 - log 3-4-5
4 - log2-log8-log7
5 - log4+log7

Answer 1

1) 0.301+0.477 = 0.778
2) 0.698-0.301=0.397
3) 0.477-4-5= -8.523
4) 0.301-0.903-0.845= -1.447
5) 0.602+0.845=1.447

Answer 2

1-log 3*2
   =log 6
 2-log5-log2
   =log5by 2

5-log4*7
  =log28

   =