Find the mass remaining after fourty days

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Reference no: EM131015406

Strontium -90 has a half-life of 28 days.

a) A sample has a mass of 50 mg initially. Find a formula for mass remaining after t days.

b) Find the mass remaining after 40 days.

c) How long does it take the sample to decay to a mass of 2 mg?

d) Skecth the graph of mass function.

Reference no: EM131015406

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