Phosphorus 32 Has a Half-Life of 14

question 43

Multiple Choice

Phosphorus 32 has a half-life of 14.2 days. If 100 g of this substance are present initially, find the amount present after t days. What amount will be left after 7.1 days? How fast is the phosphorus 32 decaying when t = 7.1?

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Definitions:

Reinforcement

A process in behavioral psychology that strengthens a behavior by providing a consequence an individual finds rewarding.

Reinforcement

In behavior psychology, it's a stimulus or event that increases the likelihood of the repetition of the behavior it follows.

Variable-Interval

A schedule of reinforcement where a response is rewarded after an unpredictable amount of time has passed, used in behaviorist research.

Intermittently

Occurring at irregular intervals; not continuous or steady, often with pauses or breaks in between.