Question

Given log43=0.792 and log421=2.196,what is log47?

Answer 1

( correct option- A: 1.404 )

Explanation:

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Answer 2

1.404

Explanation:

Using the rule of logarithms

log x - log y ⇔ log(
`(x)/(y)` )

Hence

`log_(4)` 21 -
`log_(4)` 3 =
`log_(4)`(
`(21)/(3)` =
`log_(4)` 7

Thus

`log_(4)` 7 = 2.196 - 0.792 = 1.404