Concept explainers
a.
To find the initial quantity of radium (when
a.

Answer to Problem 74E
The initial quantity of radioactive radium was
Explanation of Solution
Given information:
The given statement is:
“Let
Calculation:
The initial quantity can be calculated by:
Hence, the initial quantity of radioactive radium was
b.
To find the quantity of carbon after
b.

Answer to Problem 74E
The quantity of radium after
Explanation of Solution
Given information:
The given statement is:
“Let
Calculation:
The quantity of carbon can be calculated by:
Hence, the quantity of radium after
c.
To sketch the graph over the interval
c.

Explanation of Solution
Given information:
The given statement is:
“Let
Graph:
The graph can be obtained by:
d.
To determine when will the quantity of radium be
d.

Answer to Problem 74E
The mass of radium is always decayed by half of its mass, so the mass of radium will be
Explanation of Solution
Given information:
The given statement is:
“Let
The mass of radium is always decayed by half of its mass, so the mass of radium will be
Chapter 3 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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