offbrandsangwoo offbrandsangwoo

15-01-2021
Mathematics

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Find the value of a5, given the sequence defined as: a1 = 32 an = (1/2)an-1

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ambarsubhaan ambarsubhaan

15-01-2021

Answer:

a5 = 2

Step-by-step explanation:

If a1 = 32,

a1 = 1/2 a0 = 32

a0 = 64

With that, we know that

a0 = 64,

a1 = 32

so, a2 is definitely 16. From that, we may know the formula,

an = a0 (1/2)^n

a5 = a0 (1/2)^5

a5 = 64 (1/32)

a5 = 2

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