Evaluate
Log100,000,000 + log 0.00001 + log3243
Solution
= Log100,000,000 + log 0.00001 + log3243
= Log108 +
log 10-5 + log335
= 8Log10 +
(-5log 10) + (5log33) [since
logaan = nlogaa]
= (8x1) +
(-5x1) +
(5x1)
[since logaa = 1]
= 8 + (-5) +
(5)
= 8
Hence Log100,000,000
+ log 0.00001 + log3243 = 7
TRY
THIS...............................
Evaluate
Log10,000,000,000 + log 0.01 + log32187
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