a.
To solve.
a.
Answer to Problem 7P
The population grows by a factor of 4 in 6 weeks.
Explanation of Solution
Given information:
A certain population of bacteria doubles every 3 weeks.
The number of bacteria in the population is given
We have to find size in 6 weeks.
We shall use the formula for doubling rate.
Where
Hence we put values given to us.
Size in 6 weeks is,
Hence the population grows by a factor of 4 in 6 weeks
b.
To solve.
b.
Answer to Problem 7P
The population grows by a factor of 32 in 15 weeks
Explanation of Solution
Given information:
A certain population of bacteria doubles every 3 weeks.
The number of bacteria in the population is given
We have to find size in 15 weeks.
We shall use the formula for doubling rate.
Where
Hence we put values given to us.
Size in 15 weeks is,
Hence the population grows by a factor of 32 in 15 weeks
c.
To solve.
c.
Answer to Problem 7P
The population grows by a factor of
Explanation of Solution
Given information:
A certain population of bacteria doubles every 3 weeks.
The number of bacteria in the population is given
We have to find size in
We shall use the formula for doubling rate.
Where
Hence we put values given to us.
Size in
Hence the population grows by a factor of
Chapter 10 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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