Use the graph below to answer the following question of

Last updated: 4/30/2023

Use the graph below to answer the following question of substance remaining Fraction of Radioactive Nuclei Remaining 1 00 0 75 0 50 100 0 25 0 00 75 50 25 Use the graph below to answer the following question 0 0 Decay of a radioactive substance 19 How many half lives must this element undergo if there is 25 of the parent element remaining 1 2 6 7 5 6 3 4 5 Number of half lives 2 8 Radioactive Decay 3 4 Time in Years 9 5 10 20 How many years does it for one half life for this element 7 8