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# Half life can be used to solve for the amount (A) of a substance left after t time by using the following equation: A=Av(0)⋅(12)^(t/h) If the half life of a substance is 2 days, how long will it take for 100 mg of this substance to decay to 12.5 mg? Select one: A. 10 days B. 4 days C. 8 days D. 6 days

1 month ago

## Solution 1 Guest #1192386
1 month ago
D- 6 days should be the answer, hope it helps!

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