Solved

The Isotope Has a Half-Life of 5,715 Years

Question 49

Multiple Choice

The isotope The isotope   has a half-life of 5,715 years. After 2,000 years, a sample of the isotope is reduced to 2.1 grams. What was the initial size of the sample (in grams) ? How much will remain after 20,000 years (i.e., after another 18,000 years) ? Round your answers to four decimal places. ​ A)  1.8735 g, 0.1656 g B)  4.2824 g, 0.3786 g C)  2.6765 g, 0.2366 g D)  3.7471 g, 0.3313 g E)  3.4794 g, 0.3076 g has a half-life of 5,715 years. After 2,000 years, a sample of the isotope is reduced to 2.1 grams. What was the initial size of the sample (in grams) ? How much will remain after 20,000 years (i.e., after another 18,000 years) ? Round your answers to four decimal places. ​


A) 1.8735 g, 0.1656 g
B) 4.2824 g, 0.3786 g
C) 2.6765 g, 0.2366 g
D) 3.7471 g, 0.3313 g
E) 3.4794 g, 0.3076 g

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions