Given a1=64, r=1/2 find the next three terms and the explicit formula.
1 answer:
Any geometric sequence can be expressed as:
a(n)=ar^(n-1), in this case a=64 and r=1/2 so
a(n)=64(1/2)^(n-1)
So the 2nd, 3rd, and 4th terms are:
32, 16, and 8
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