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:
2(2x+5)=8x-18
2x+5=4x-9
2x=14
x=7
MN=2*7+5=19
Step-by-step explanation:
Answer:
Step-by-step explanation:
15. = 2.39
and jus use mathaway lma
Xy=k where k is constant of variation
12 is the constant of variation
