Zoe Oneal

Zoe Oneal

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Sally Cresswell

Sally Cresswell

Skilled2021-07-01Added 91 answers

We are given: 5e0.2x=7
Divide both sides by 5: e0.2x=1.4
Take the natural logarithm of both sides: lne0.2x=ln1.4
Use the rule: lnex=x 0.2=ln1.4
Divide both sides by 0.2: x=ln1.40.20.477

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