Asked by kim
2. An isotope of sodium has a half-life of 15 h. A sample of this isotope has a mass of 2 g.
a. [2] Find the mass equation that remains after t hours.
b. [1] Find the mass that remains after 5 hours, to the nearest hundredth.
c. [2] How long, to the nearest hour, will the sample take to decay to a mass of 0.4 grams?
d. [2] Find the average rate of change between 15h and 45h.
a. [2] Find the mass equation that remains after t hours.
b. [1] Find the mass that remains after 5 hours, to the nearest hundredth.
c. [2] How long, to the nearest hour, will the sample take to decay to a mass of 0.4 grams?
d. [2] Find the average rate of change between 15h and 45h.
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je ne sais pas
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