A radioactive substance decays in such a way that the amount of mass remaining a

label Algebra
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schedule 1 Day
account_balance_wallet $5

after t days is given by the function

m(t) = 12e−0.012t

where m(t) is measured in kilograms.
(a) Find the mass at time t = 0.
 kg

(b) How much of the mass remains after 49 days? (Round your answer to one decimal place.)
 kg
Apr 3rd, 2015

a)mass at t=0 is ..........12 kg

b)mass after 49 days=6.7 kg


Apr 3rd, 2015

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