Answer:
1) 62.5
2) 50
3) 75
4) 100
Step-by-step explanation:
1)
Because it has a half-life of 25 days, half of it will decay after 25 days.
After
days, there will be
of it left.
So,
.
2)
Because it has a half-life of 25 days, half of it will decay after 25 days.
After
days, there will be
of it left.
So, 
3)
Because it has a half-life of 25 days, half of it will decay after 25 days.
After
days, there will be
of it left.
So,
.
4)
The only answer left is
grams. You can solve it the same way you solved the previous steps.
Answer:
26y
Step-by-step explanation:
26y and 52y.
13*2*y and 13*2*2 *y
Common is 13*2*y
or 26y
Hope this helps!
Answer
yes it is correct
Step-by-step explanation:
<span> answer is 2: 1 x 10^2 –days.
I hope this helps!</span>