Question

The half-life of a substance is the time it takes for half of that substance to break down or decay. The half-life of an unknown element is 1 day.

Write an equation for the amount remaining from a sample of 100 grams of the element after x days. How much of the substance will be left after 3 days? Where is the
asymptote?

Answer 1

See below

Explanation:

Amount = 100 (1/2)^x

after 3 days

amount = 100 ( 1/2)^3 = 12.5 gm left