where "n" = number of half-lives (or elapsed time / half-life)
ending amount = 50 mg / (2 ^10 / 5.3)
ending amount = 50 mg / (2 ^ 1.8867924528)
ending amount = 50 m / 3.6981210597
ending amount = 13.5203794557 mg
or about 13.5 mg remain
source:
Another question on Mathematics
Mathematics, 21.06.2019 17:10
Determine whether the points (β3,β6) and (2,β8) are in the solution set of the system of inequalities below. x ? β3 y < 5? 3x + 2 a. the point (β3,β6) is not in the solution set, and the point (2,β8) is in the solution set. b. neither of the points is in the solution set. c. the point (β3,β6) is in the solution set, and the point (2,β8) is not in the solution set. d. both points are in the solution set.
Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens
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