how to solve log problem

Y=15*10*15-0.152

 

Log y=log 15+log10-0.152 log15

 

How to solve this problem and please also suggest how to take values from log table.

Please explain in layman words as I forgot everything about log.

Replies (2)

help!!!!!!!!!!!!

1st of all check from Log table the value of  15,0= 1761; Then 10,0= 0000; 15,0=1761.

therefore, Log y= 1.1761+1.0000+(.152) 1.1761 which is equal to 2.3548

Log y=2.354867

y=Antilog 2.354867

from antilog table check out .35,4= 2259 add it up with .35,4,mean difference 8= 4

therefore the total comes to 2259+4=2263

y=226.3

hope u will be understand it.

 

             

 

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