what-does-the-following-statement-imply-thorium-232-a-radioactive-metal-used-in-

Question

What does the following statement imply? "Thorium-232, a radioactive metal used in manufacturing lenses for scientific instruments, has a half-life of 1.4×10¹⁰ years."

Accepted Answer

50.0% of a given sample of Thorium-232 will decay after 1.4×10¹⁰ years since its half-life is 1.4×10¹⁰ years.

Answer

100% of a given sample of Thorium-232 will decay after 1.4×10¹⁰ years since its half-life is 1.4×10¹⁰ years.

Answer

10.0% of a given sample of Thorium-232 will decay after 1.4×10¹⁰ years since its half-life is 1.4×10¹⁰ years.

Answer

25.0% of a given sample of Thorium-232 will decay after 1.4×10¹⁰ years since its half-life is 1.4×10¹⁰ years.

What does the following statement imply? "Thorium-232, a radioactive metal used in manufacturing lenses for scientific instruments, has a half-life of 1.4×1010 years."

What does the following statement imply? "Thorium-232, a radioactive metal used in manufacturing lenses for scientific instruments, has a half-life of 1.4×10¹⁰ years."