# Basic math glossary-N

Basic math glossary-N define words beginning with the letter N

n: A letter than can be used to stand for an unknown number.

Natural numbers: The number 1 and any other number obtained by adding 1 repeatedly.

Negative exponent: An exponent that is less than 0.

Negative integer: A whole number less than 0.

Negative number: A number that is less than 0.

nth root of a number: A number multiplied by itself n times to get the number.

Number line: A line whose points are real numbers

Numerator:The number above the fraction bar.

Numeral: Related to numbers.

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1. ### Average age word problem

Aug 09, 16 01:40 PM

Average age of Dipu and Apu is 22 years. Average age of Dipu and Tipu is 24 years. Age of Dipu is 21 years. What are the ages of Apu, and tipu ? Let

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