Question:The value of`(1/3 log_10 125 - 2log_10 4 + log_10 32)` is : 

A `0` 
B `4/5` 
C `2` 
D `1` 

+ Answer
D 

+ Explanation
`1/3 log_10 125 - 2log_10^4 + log_10^32`

`= log_10 (125)^1/3 - log_10 (4^2) + log_10 ^32`

`= log_10 16 + log_10^32`

`= log_10 ((5 xx 32)/(16))`

`= log_10^10`

`= 1.`

+ Report

Irin Moni

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