Question

PLEASE HELP

The half life of C-14 is 5730 years. If you start with 2 grams, how much would you have after 17190?

A) 1 gram. B) 2 grams. C) .25 grams. D) .5 grams.

Answer 1

D- 5 grams i believe if not try c

Answer 2

C .25 grams

Step-by-step explanation:

After each half life, the mass is reduced by half.

2/2 = 1

1/2 = 0.5

0.5/2 = 0.25