Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
The exponential decay equation that gives the number of radioactive nuclei (N) remaining in a sample after time t, where N₀ is the initial number of nuclei and λ is the decay constant.
AP course connection
Topic 15.7: 15.7 Fission, Fusion, and Nuclear Decay