Question

can some one identify the sequence as arithmetic, geometric, or neither plzzzz
i am giving out medals

1.6, 0.8, 0.4, 0.2, . . .

Answer 1

\[a _{3}= a _{2} *r\]\[a _{2}= a _{1} *r\]\[a _{1}= a _{0} * r\]\[a _{0}= 1.6\]It seems like a geometric progression

where r = 1/2