Question

How do you solve `2( 6^ { r } ) = 102`?

Answer 1

Solution: `r ~~ 2.1944`

Explanation:

`2(6^r)=102 or (6^r)=102/2 or (6^r)=51` taking log on both

sides we get `r log 6 = log 51 or r = log 51/log 6 ~~ 2.1944(4dp)`

Solution: `r~~ 2.1944` [Ans]