a. Complete the chart:
| End of Half life cycle | 1
1620 yrs |
2 3240 yrs |
3 4860 yrs |
| Grams of radium remaining | 25 | 12.5 | 6.25 |
| Pattern: |
 |
 |
 |
b. Function: 
From the pattern:
c. Plot the
data and graph the
equation for the first 3 time intervals.
horizontal axis = end of half life cycle
vertical axis =
grams of radium remaining
