
Dividing and doubling every three hours
In an experiment bacteria divides and doubles every three hours.
How many bacteria will there be at the end of one day (24 hours)?
4
To calculate the total amount of bacteria after 24 hours:
1. Enter values from 1 to 4 in cells B2:B8.
2. Select cells C2:C8 and type the following formula:
=A2^(24/B2).
3. Press <Ctrl+Enter>.
4. From the Format menu, select Cells and the Number tab.
5. Choose Number from Category.
6. Set Decimal places to 0, and click on the Use 1000
Seperator check box.
7. Click OK.
Note: To insert the ^ character, press the <^> key on the
keyboard followed by a <Space>.
36 Chapter 1
Figure 1-36