The Isotope Has a Half-Life of 24,100 Years

Multiple Choice

The isotope has a half-life of 24,100 years.After 1,000 years,a sample of the isotope is reduced to 1.4 grams.What was the initial size of the sample (in grams) ? How much will remain after 10,000 years (i.e. ,after another 9,000 years) ? Round your answers to four decimal places. ​

A) 1.0086 g,0.7565 g
B) 2.3054 g,1.7291 g
C) 1.4409 g,1.0807 g
D) 2.0172 g,1.5130 g
E) 1.8731 g,1.4049 g