an element with mass 670 grams decays by 21.8% per minute how much time is remaining after 15 minutes
Accepted Solution
A:
Answer:16.75622173 grams.Step-by-step explanation:21.8% + 78.2% = 100%There is 78.2% of the original remaining each minute.670g * 0.782^15 It's to the power of 15 because it's done 15 times.16.75622173 grams are remaining.