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Mathematics, 01.12.2020 01:00 Dericktopsom
The nth pyramidal number tells how many balls there are in a pyramidal stack
that is n layers tall. What kind of pyramid is the stack?
A. A three-sided pyramid
B. A golden pyramid
C. A five-sided pyramid
D. A Fibonacci pyramid
E. A four-sided pyramid
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The nth pyramidal number tells how many balls there are in a pyramidal stack
that is n layers tall....
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