The half-life of uranium-235 is 700,000,000 years. The half-life of uranium-238 is 4.463×1011 years longer. What is the half-life of uranium-238? The answer should be in decimal form.(1 point)
Responses
447,000,000,000
447,000,000,000
516,300,000,000
516,300,000,000
11,463,000,000
11,463,000,000
4.4637×1011
To find the half-life of uranium-238, we add the 700,000,000 years of the uranium-235 half-life to the 4.463×1011 years longer half-life for uranium-238.
So, the half-life of uranium-238 is 700,000,000 + 4.463×1011 = 4.4637×1011 years.
Therefore, the correct answer is 4.4637×1011.