Answer:
Yes, in places like the US, UK and other bigger areas
No, in like Africa and poorer areas
Answer: Okay, what's the question?
Step-by-step explanation:
Let

In order to prove this by induction, we first need to prove the base case, i.e. prove that P(1) is true:

So, the base case is ok. Now, we need to assume
and prove
.
states that

Since we're assuming
, we can substitute the sum of the first n terms with their expression:

Which terminates the proof, since we showed that

as required
Answer:
number one is i thinks 10000000
Step-by-step explanation: