240 days is 4 times the half-life, which means that a sample of 1000 mg will decay to
after 240 days.
Answer:
14
20
18
24
Step-by-step explanation:
36 = 6 x 6
16 = 4 x 4
25 = 5 x 5
All others are not square
x-3= 4
x= 4+3
Answer: x= 7
x=5
y=x+12
17=x+12
17=5+12
17=17 ✓