The half-life of uranium-235 is 700,000,000 years. The half-life of uranium-238 is 4.463 x 10^(5) years longer. What is half-life of uranium-238? The answer should be in decimal form.
4.4637 x 10^(11)
516,300,000,000
447,000,000,000
11,463,000,000