Answer:
it is 170 degrees
Step-by-step explanation:
Answer:
87380
Step-by-step explanation:
The sum to n terms of a geometric sequence is
=
where a is the first term and r the common ratio
r = = 4 and a = 4, hence
= = = 87380
You just use the ones and fives and then in bigger numbers you use 10s and 50s and 100s and 1000s