What is the initial amount of the radioactive element in the problem?

Exponential Decay and Growth Concepts

Interactive Video
•
Mathematics, Science, Chemistry
•
9th - 12th Grade
•
Medium

Emma Peterson
Used 2+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
100 milligrams
5 milligrams
80 milligrams
48 milligrams
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function is used to model exponential growth and decay?
P(t) = P0 * e^(kt)
P(t) = P0 + kt
P(t) = P0 / e^(kt)
P(t) = P0 * kt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of P(t) after three months?
48 milligrams
60 milligrams
30 milligrams
80 milligrams
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of taking the natural log on both sides of the equation?
To simplify the equation
To apply the power property of logarithms
To eliminate the exponential term
To convert the equation to a linear form
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the calculated value of the decay rate, K?
0.170275
-0.170275
0.270175
-0.270175
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the exponential decay model derived in the video?
P(t) = 80 * e^(0.170275t)
P(t) = 80 * e^(-0.170275t)
P(t) = 48 * e^(0.170275t)
P(t) = 48 * e^(-0.170275t)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the natural log of e in the calculations?
It equals the decay rate
It equals e
It equals one
It equals zero
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