##### et's solve the exponential equation 4ex = 80. (a) First, we isolate ex to get

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et's solve the exponential equation
4ex = 80.

 (a) First, we isolate ex to get the equivalent equation .

 (b) Next, we take ln of each side to get the equivalent equation .

(c) Now we use a calculator to find x =  . (Round your answer to three decimal places.)

Jul 16th, 2015

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Jul 16th, 2015

a.     ex = 20

b.      x = ln (20)

c.   x = 2.996

Jul 16th, 2015

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Jul 16th, 2015

a.    e^x = 80/4      or          e^x = 20

b .  ln (e^x) = Ln (20)     or     x = ln (20)

Jul 16th, 2015

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Jul 16th, 2015
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Jul 16th, 2015
Aug 19th, 2017
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