common ratio Explanation
r = A2/A1
r = 6/18
r = 1/3
8th term.
An = A1 × r^(n - 1)
A8 = 18 × (1/3)^(8 - 1)
A8 = 18 × (1/3)^(7)
A8 = 18 × (1/2187)
A8 = 18/2187
A8 = 2/243
Step by-step Explanation:
An=A1(1-rn)/1-r
s8=4(1-4)8/1-8
s8=4(1-65,536)/-7
s8=4(65,535)/-7
s8=262,140/7
s8=37,448.5714286
Step by-step explanation:
By the use of formula a(n)= a1 (r^n-1)Substitute the given and calculate the answer in each term1.)a1 = 3
HOPE IT HELPS 3-5
#CarryOnLearning
Answer:
3.)2/243
4.)37,448.5714286
5.)a2=4,r=3
Step-by-step explanation:
sorry po yan lang ang alam ko e
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Answers & Comments
(ANSWER IN 3-5)
3). 18,6,2...
common ratio Explanation
r = A2/A1
r = 6/18
r = 1/3
8th term.
An = A1 × r^(n - 1)
A8 = 18 × (1/3)^(8 - 1)
A8 = 18 × (1/3)^(7)
A8 = 18 × (1/2187)
A8 = 18/2187
A8 = 2/243
ANSWER:
2/243 is the 8th term.
4). -4,16,-64,...
ANSWER:
37,448.5714286
Step by-step Explanation:
An=A1(1-rn)/1-r
s8=4(1-4)8/1-8
s8=4(1-65,536)/-7
s8=4(65,535)/-7
s8=262,140/7
s8=37,448.5714286
5). a2 = 4, r = 3
ANSWER:
a1=3 a2=6 a3=12 a4=242.)
Step by-step explanation:
By the use of formula a(n)= a1 (r^n-1)Substitute the given and calculate the answer in each term1.)a1 = 3
HOPE IT HELPS 3-5
#CarryOnLearning
Answer:
3.)2/243
4.)37,448.5714286
5.)a2=4,r=3
Step-by-step explanation:
sorry po yan lang ang alam ko e