Answer:
The answer is C
Sn=3(1-1/2^n)
Step-by-step explanation:
Answer:
I think its A but im not sure
Step-by-step explanation:
2 liters 1000 ml
---------- * ------------- = 500 ml (answer)
4 1 liter
Consider,

. Let's say

then the problem reduces to

. (Do you understand this step?)
So then replacing a again with our definition we get,

.
Answer:
fast doesn't need help you do
Step-by-step explanation: