im doing this problem right now---
ok so a1=256 a2=64 a3=15 a4=4... find a9
the sequence divides by 1/4 every term
an=a1*r^n-1
an=(256)*(1/4)^n-1
replace n with 9
A9=(256)*(1/4)^9-1
A9=(256)*(1/4)^8
=(256)*(1/4)
A9=64^8
1/256 or a9= 0.00390625
Answer:
The answer is 20
Step-by-step explanation:
This is because 4(5)= 20
Hope this helps :)
#1 x=3 (the furthest to the left on top)
#2 x=4 (below both questions)
#3 x=2 (farthest to the right)
25%
55 + 12 + 88 + 45 + 9 + 91=300/12=25=25%
0.52915026 ...
:)
