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2 years ago

9

A sample of polonium-210 has an initial mass of 390 milligrams (mg). If the half-life of polonium-210 is 36 days, how many mg of

the sample remains after 72 days?
A.
392 mg

B.
195 mg

C.
97.5 mg

D.
48.75 mg

2 answers:

kondaur [170]2 years ago

5 0

Answer: D. 48.75

Explanation: just took the test

maw [93]2 years ago

5 0

Answer:

D

Explanation:

I got this question right on my test.

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