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algebra

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Andrew measures they amount of a very unstable substance to be 100 moles. the half life of this substance is 3 days(after 3 days, half is gone).
write an exponential function that models this situation where Y is the amount of substance and X is time in days.
use your equation for problem 28 to complete the chart.

  • algebra -

    amount = 100 (1/2)^(t/3) , where t is in days

    No idea what problem 28 is, so .....

  • algebra -

    0=100
    3=50
    6=25
    9=12.5
    12=6.25

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