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Original Question
Change the exponentional expression to an equivalent expression involving a logarithm. 7^c = 0.026Asked by Hunter
Change the exponentional expression to an equivalent expression involving a logarithm.
(2x)^-10=4
(2x)^-10=4
Answers
Answered by
Damon
-10 log 2x = log 4
Answered by
Reiny
I always encouraged my students to memorize this statement
2<sup>3</sup> = 8 <------> log<sub>2</sub) 8 = 3
that way you will be able to convert easily in either direction
log <sub>(2x)</sub>4 = -10
2<sup>3</sup> = 8 <------> log<sub>2</sub) 8 = 3
that way you will be able to convert easily in either direction
log <sub>(2x)</sub>4 = -10
Answered by
Reiny
2<sup>3</sup> = 8 <-----> log <sub>2</sub> 8 = 3
log<sub>2x</sub> 4 = -10
log<sub>2x</sub> 4 = -10