jessicalongoria jessicalongoria

09-12-2017
Mathematics

contestada

The half-life of strontium -90 is approximately 29 Year’s . How much of a 150 g sample of strontium-90 will remain after 116 years

Respuesta :

HomertheGenius HomertheGenius

18-12-2017

The half-life is 29 years.
116 : 29 = 4
So we will have 4 periods of half-life:
( 1/2 )^4 = 1/16
150 g * 1/16 = 9.375 g
Answer:
9.375 g of strontium -90 will remain after 116 years.

Answer Link

kayleegill04 kayleegill04

08-04-2021

Answer:

Step-by-step explanation:

=150(1+0.5)^4 The final answer is 9.375

Answer Link

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