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

11,463,000,000
11,463,000,000

447,000,000,000
447,000,000,000

516,300,000,000
516,300,000,000

4.4637×1011
4.4637 times 10 superscript 11 baseline

1 answer

To find the half-life of uranium-238, we add the additional time to the half-life of uranium-235.
The half-life of uranium-238 is 700,000,000 + 4.463×1011 years = 4.4637×1011 years.

So the correct answer is 4.4637×1011.