13 Task #13: Forms of Exponential Expressions
Six physicists describe the amount of a radioactive substance, Q in grams, left after t years:
A. Q = 300(0.5)²t
B. Q = 300 (2)
C. Q = 300(0.0625)/2
-2t
D. Q = 300(0.25)
t-1
E. Q = 75 (0.25) ¹-¹
F. Q = 600(0.5)
t
