asked 195k views
3 votes
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

asked
User Jannet
by
8.2k points

1 Answer

5 votes

Answer:

C

Step-by-step explanation:

I got this question right on my test.

answered
User Frankie Drake
by
8.2k points
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