Half-life — Algebra II, what it means and where it is taught
The time for a decaying quantity to fall to half.
Taught in Algebra II.
Where it is taught
Practise this idea
1 question in the course bank use Half-life, in Exponential & Logarithmic Models.
Problem 1
A sample of 80 g has half-life 10 years. How many grams remain after 40 years?
Worked answer
5
80 → 40 → 20 → 10 → 5