How do you solve $-9.3e^(10b)=-67$ ?

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Answer 1 · 2018-05-25T09:09:04

See below

Note that

$-9.3e^(10b)=-67$

It's the same that $e^(10b)=(-67)/(-9.3)=7.2043$

Take ln in both sides $10blne=ln 7.2043$

But $ln e=1$

$10b=ln7.2043$

$b=ln7.2043/10=0.1975$

How do you solve -9.3e^(10b)=-67-9.3e^(10b)=-67?