Multiple Choice
The isotope 
has a half-life of 1,599 years. After 20,000 years, a sample of the isotope is reduced 0.7 grams. What was the initial size of the sample (in grams) ? How large was the sample after the first 2,000 years? Round your answers to four decimal places.
A) 4076.8643 g, 1713.1817 g
B) 5299.9236 g, 2227.1362 g
C) 2446.1186 g, 1027.9090 g
D) 3261.4914 g, 1370.5454 g
E) 2038.4321 g, 856.5909 g
Correct Answer:
Verified
Correct Answer:
Verified
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