Collect data: In the first row of the table below, write how many seconds represent one half-life, two half-lives, and so forth. On the next row, predict the number of radioactive atoms that will be present at
each time. Then use the probe to find the actual values.
0
1
2
3
4
5
0
Half-life
Time (seconds)
Predicted #
radioactive atoms
Actual #
radioactive atoms