Assume the half-life of a substance is 29 days and the initial amount is 175.999999999996 grams. (a) Fill in the right hand side of the following equation which expresses the amount A of the substance as a function of time t (the coefficient of t in the exponent should have at least five decimal places): A=_______________   (b) When will the substance be reduced to 3.8 grams? At t=___________ days

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.1: Exponential Functions
Problem 57SE: Repeat the previous exercise to find the formula forthe APY of an account that compounds daily....
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Assume the half-life of a substance is 29 days and the initial amount is 175.999999999996 grams.


(a) Fill in the right hand side of the following equation which expresses the amount A of the substance as a function of time t (the coefficient of t in the exponent should have at least five decimal places):


A=_______________

 


(b) When will the substance be reduced to 3.8 grams?
At t=___________ days.

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