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the nth pyramidal number tells how many cannonballs there are in a square arrangement that is n cannonballs square. a: true b: false
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the nth pyramidal number tells how many cannonballs there are in a square arrangement that is n cannonballs square. a: true b: false

User Anticafe
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This statement is true.

A pyramidal number tells the number of balls that could be stacked evenly with square bases. If were are looking for the nth pyramidal number, that is a pyramid with a square base that is n by n.
User Bara Batta
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