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Solve. -The Decay of 331 Mg of an Isotope Is Given

Question 118

Multiple Choice

Solve.
-The decay of 331 mg of an isotope is given by Solve. -The decay of 331 mg of an isotope is given by where t is time in years. Find the amount left after 9 years. A) 321 B) 253 C) 245 D) 127 where t is time in years. Find the amount left after 9 years.


A) 321
B) 253
C) 245
D) 127

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