Respuesta :

HomertheGenius
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:

Step-by-step explanation:

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