Four half-lives have elapsed for calcium-45, and each half-life is 162.7 days. Therefore, the total time that has passed is 4 x 162.7 days = 650.8 days.
To convert this time into years, we divide by the number of days in a year (365 days).
650.8 days รท 365 days/year = 1.783 years.
Therefore, the correct answer is 1.783 years.
Calcium-45 has a half-life of 162.7 days. four half-lives have elapsed, how much time has passed? 1.783 years 40.68 days 650.8 years 40.68 years
1 answer
1 answer