At the beginning of an experiment a scientist has 372 grams of radioactive goo. After 165 minutes, her sample has decayed to 11.625 grams.  what is the half life of the goo in minutes? find a formula for G(t) the amount of goo remaining at time t.  G(t)=  how many grams of goo will remain after 47 minutes?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 15T
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At the beginning of an experiment a scientist has 372 grams of radioactive goo. After 165 minutes, her sample has decayed to 11.625 grams. 
what is the half life of the goo in minutes?

find a formula for G(t) the amount of goo remaining at time t. 
G(t)= 

how many grams of goo will remain after 47 minutes?

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