3 years ago

The geometric sequence bn is defined below. Find b3. B1 = 54 R= -1/3

1 answer:

3 0

Answer:

Step-by-step explanation:

hello :

the nth term is : Bn= B1×R^n-1

calculate B3 (when n=3) R= -1/3 B1 = 54

B3 =54×(-1/3)^(3-1)

B3 =54×(1/9)=6

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