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Alex777 [14]
3 years ago
12

A scientist has 400 grams of a radioactive substance with a half-life of one year. The amount of the substance that the scientis

t has after t years is represented by the expression 400(0.5)t.
Which kind of expression is 400(0.5)t?

linear
quadratic
exponential growth
exponential decay
Biology
2 answers:
maksim [4K]3 years ago
5 0

Answer:

D. exponential decay

Explanation:

Got it right on edge :P

agasfer [191]3 years ago
3 0

Answer:linear

Explanation:because she added them

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