The half-life of uranium-235 is 700,000,000 years. The half-life of uranium-238 is 4.163 × 1011 years longer. What is the half-life of uranium-238? The answer should be in decimal form. (1 point)

О 11.463.000.000
O 4.4637 × 1011
• 516,300,000,000
O 447,000,000,000

1 answer

To find the half-life of uranium-238, we need to add the additional 4.163 × 10^11 years to the half-life of uranium-235.

The half-life of uranium-235 is 700,000,000 years.
The half-life of uranium-238 is 700,000,000 + 4.163 × 10^11 years.

Performing the calculation:

700,000,000 + 4.163 × 10^11 = 416,300,000,000 years.

Therefore, the half-life of uranium-238 is 416,300,000,000 years in decimal form.