Answer: 20/3
Step-by-step explanation: 3*6=18+2=20
Answer:
7805 cases of water
Step-by-step explanation:
- just multiply 223 by 35 minutes
Answer:
89
Step-by-step explanation:
Answer:
a)
, b)
, c)
, d) 
Step-by-step explanation:
a) Let assume an initial mass m decaying at a constant rate k throughout time, the differential equation is:

b) The general solution is found after separating variables and integrating each sides:

Where
is the time constant and 
c) The time constant is:


The particular solution of the differential equation is:

d) The amount of radium after 300 years is:

Answer:
whole number
Step-by-step explanation:
the smallest whole number is 0