he 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.
The half-life of uranium-238 is 4.463×10^11 + 700,000,000 = 4.4637×10^11 years.
Therefore, the half-life of uranium-238 is 446370000000 years in decimal form.