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Mathematics, 03.03.2021 23:30 sarah121868

The half life of a substance is 24 minutes. At 3:00 PM there are 42 grams of the substance.
a) Write an exponential equation that models this solution
b) how many grams to the nearest hundredth of the substance remains at 4:30 pm?
C) what percent to the nearest hundredth of the substance remains at 5:11 pm?

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The half life of a substance is 24 minutes. At 3:00 PM there are 42 grams of the substance.
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