Concept explainers
a.
To solve.
a.
Answer to Problem 8P
The size of culture increases by a factor of 8 in 1 hour.
Explanation of Solution
Given information:
A culture of yeast doubles in size every 20 miumtes.
The size of the culture now is given
We have to find size in 1 hour.
We shall use the formula for doubling rate.
Where
Hence we put values given to us.
Size in 1 hour (60 minutes) is,
Hence the size of culture increases by a factor of 8 in 1 hour.
b.
To solve.
b.
Answer to Problem 8P
The size of culture increases by a factor of
Explanation of Solution
Given information:
A culture of yeast doubles in size every 20 miumtes.
The size of the culture now is given
We have to find size in 12 hour.
We shall use the formula for doubling rate.
Where
Hence we put values given to us.
Size in 12 hour (720 minutes) is,
Hence the size of culture increases by a factor of
c.
To solve.
c.
Answer to Problem 8P
The size of culture increases by a factor of
Explanation of Solution
Given information:
A culture of yeast doubles in size every 20 miumtes.
The size of the culture now is given
We have to find size in 1 day.
We shall use the formula for doubling rate.
Where
Hence we put values given to us.
Size in 1day (1440 minutes) is,
Hence the size of culture increases by a factor of
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Algebra and Trigonometry: Structure and Method, Book 2
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