90. Add the zero in front of the 9.
Answer:
2.4
Step-by-step explanation:
Answer:
horizontal.
Step-by-step explanation:
it goes straight up
Answer:
Your answer is correct. The series is a geometric series with common ratio -1/4 and first term 40. So each term is:
an = 40 (-1/4)^(n−1)
So the sum of the first 10 terms is:
∑(n=1 to 10) [ 40 (-1/4)^(n−1) ]
Verify the associated law