# Exam 3 V2 - Answer Key.pdf - Math 126 - EXAM 3 Version 2...

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Math 126 - EXAM 3Version 2Name:Section:Date:INSTRUCTIONS:Write your solutions clearly and concisely, and indicate all final answers.Show all applicable work.Honor Statement:I understand that cheating is a violation of the course policy as well as TMCC’sacademic conduct policy. If I am caught cheating, attempting to cheat, or assisting in the cheatingof another student, I understand that I will receive a failing grade in the course. I accept theseconsequences as well as any other consequences that may follow outside of TMCC.Sign:QuestionsPointsScore110263104105106671086981010116128Total:1001
1.(10 points) A radioactive substance decays in such a way that the amount of mass remainingaftertdays is given by the functionm(t) = 12e0.014twherem(t) is measured in kilograms.a. Find the mass at timet= 0.kgb. How much of the mass remains after 49 days?kg2.(6 points) Use the definition of the logarithmic function to findx.(Simplify your answercompletely andshow all work for full credit.)a. log3(x) = 4.x=b. log10(0.001) =xx=

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