Answer:
$7.55
Step-by-step explanation:
6.95+2.75+2.75=12.45
20-12.45=7.55
Answer:
I Dont Know
Step-by-step explanation:
Answer:
׳+3ײ-72×-324
Step-by-step explanation:
I hope it help
An = a1 * r^(n-1)
-405 = -5*3^(n-1)
3^(n-1) = 81
3^4 = 81 so n-1 = 3 and n = 4
Sn = S4 = -5 (1 - 3^4) / ( 1 - 3) = 400 / -2 = -200 Answer