dN A chemical substance has a decay rate of 9% per day. The rate of change of an amount N of the chemical after t days is given by 0.090N. dt a) Let No represent the amount of the substance present at t=0. Find the exponential function that models the decay. b) Suppose that 300 g of the substance is present at t=0. How much will remain after 6 days? c) What is the rate of change of the amount of the substance after 6 days? d) After how many days will half of the original 300 g of the substance remain? a) N(t) =

dN A chemical substance has a decay rate of 9% per day. The rate of change of an amount N of the chemical after t days is given by 0.090N. dt a) Let No represent the amount of the substance present at t=0. Find the exponential function that models the decay. b) Suppose that 300 g of the substance is present at t=0. How much will remain after 6 days? c) What is the rate of change of the amount of the substance after 6 days? d) After how many days will half of the original 300 g of the substance remain? a) N(t) =

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter10: Exponential And Logarithmic Functions

Section10.5: Solve Exponential And Logarithmic Equations

Problem 10.88TI: Researchers recorded that a certain bacteria population declined from 700,000 to 400,000 in 5 hours...

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