Mark M. answered 04/28/23
Tutor
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Retired college math professor. Extensive tutoring experience.
In a geometric sequence with common ratio r, an = a1rn-1
So, a5 = a1r4
Connor L.
asked 04/28/23Find a5 if a1 and r=2
Mark M. answered 04/28/23
Retired college math professor. Extensive tutoring experience.
In a geometric sequence with common ratio r, an = a1rn-1
So, a5 = a1r4
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