The value of the given logarithm expression will be 21.
What is a logarithm?
Exponents can also be written as logarithms. A number base logarithm is similar to some other number. It is the exact inverse of the exponent expression.
The expression is given below.
[tex]\rightarrow 10^{\log 21}[/tex]
We know that
[tex]\rm a ^{\log_ab} = b[/tex]
Then the expression will be
⇒ 21
More about the logarithm link is given below.
https://brainly.com/question/7302008
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