Six physicists describe the amount of a radioactive substance, Qin grams, left after t years. 1. Show that the expressions describing the radioactive substance are all equivalent.
a) Q = 300(0.5)
b) Q = 300(2) 2
c) Q = 300(0.0625)"2
d) Q = 300(0.25)'
e) Q = 75(0.25)+1
f) Q = 600(0.5) 2+1