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completed 2-9-64-625-? a.7776 b.7774. c.7772 d.7770?

2006-07-08 20:52:07 · 2 answers · asked by guitarkhongday 1 in Science & Mathematics ➔ Mathematics

2 answers

The answer is a. 7776

2^1=1
3^2=9
4^3=64
5^4=625
6^5=7776

2006-07-08 20:56:39 · answer #1 · answered by snodrift777 3 · 0⤊ 0⤋

7776
X = n ^ (n-1) where n = 2,3,4,..........
so
X = 6^5 = 7776

2006-07-09 04:40:35 · answer #2 · answered by M. Abuhelwa 5 · 0⤊ 0⤋

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