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10thnonagonalnumber
<-- Enter nonagonal number statement
Calculate nonagonal number 10
The formula for nonagonal number n is as follows
N
n
=
n(7n - 5)
2
Given n = 10, we have:
N
10
=
10(7(10) - 5)
2
N
10
=
10(70 - 5)
2
N
10
=
10(65)
2
N
10
=
650
2
N
10
=
325
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