What fraction of a given sample of radioactive nuclide remains after four half lives?

A. half-life: 1/2 left

B. half of that, or 1/4

C. half of that, or 1/8

D. half of that, or 1/16

Question

Mathematics

Logan Fletcher

22 June, 17:31

What fraction of a given sample of radioactive nuclide remains after four half lives?

A. half-life: 1/2 left

B. half of that, or 1/4

C. half of that, or 1/8

D. half of that, or 1/16

+5

Answers (2)

Know the Answer?

Jayson · Answer 1

1 half-life: 1/2 left

2: half of that, or 1/4

3: half of that, or 1/8

4: half of that, or 1/16

. (1/2) ^4 = 1/16

so after four half lives it would be 1/16

so correct option is D

Elf · Answer 2

I believe the answer is D. 1/16.

What fraction of a given sample of radioactive nuclide remains after four half lives?A. half-life: 1/2 leftB. half of that, or 1/4C. half of that, or 1/8D. half of that, or 1/16

What fraction of a given sample of radioactive nuclide remains after four half lives?

A. half-life: 1/2 left

B. half of that, or 1/4

C. half of that, or 1/8

D. half of that, or 1/16