hayliewall hayliewall

20-01-2022
Mathematics

contestada

HELP ASAP PLEASE
Carbon-14 has a half-life of 10 days.
How many grams of a 80 g sample
will remain after 60 days?

Respuesta :

mhanifa mhanifa

20-01-2022

Answer:

1.25 g

Step-by-step explanation:

Given:

Initial mass is m = 80 g.
Half life = 10 days
Total time = 60 days

Number of half-life periods:

r = 60/10 = 6

Equation for remaining sample:

s = m*(1/2)^r
s = 80*(1/2)^6 = 80/64 = 1.25 g

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