3 years ago

5. The half-life of Po-210 is 140 days. If the initial mass of the sample is 5

1 answer:

6 0

Answer:

1.25kg

Step-by-step explanation:

useing the problem the half life equation will be:

f(x)=5(0.5)^(x/140)

x is amount of days

so plugging in 280 for x will get 1.25kg

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