Answer:
ITS UNDEFINED
Step-by-step explanation:
2-3)/2^2 - 4
-1/(4-4)
-1/0
ITS UNDEFINED
Answer:
a(n) = 20*2.5^(n - 1)
Step-by-step explanation:
Note that 50 is 2.5 times 20, and that 125 is 2.5 times 50. Thus the common factor is 2.5. The formula for the nth term is
a(n) = a(1)*r^(n - 1) => a(n) = 20*2.5^(n - 1)
The answer is the you need to know is 100