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Power, in arithmetic, is the product of a number multiplied by itself a specified number of times. For example, 3 X 3 X 3 X 3 X 3 is called the fifth power of 3 and is written 35. In 35, the number 3 is called the base and 5 is called the exponent. The second and third powers of a number are called its square and its cube (see Cube; Square). The first power of a number is the number itself, and the zero power of a number is one. For example, 31 is 3 and 30 is 1. The concept of power also applies to negative numbers and fractions. For example,
Numeration systems are ways of counting and of naming numbers. They are also called numeral systems. We cannot see or touch numbers, because they… More>>
Decillion, dih SIHL yuhn, is a thousand nonillions, or a unit with 33 zeros, in the United States and France. One decillion is written… More>>
Rational, RASH uh nuhl, number is any number that can be expressed in the form a/b, where a is any integer and b is any integer except zero.… More>>
Octillion, ok TIHL yuhn. In France and the United States, an octillion is 1 followed by 27 zeros. In the United Kingdom, it is 1 with 48 zeros. See… More>>
Arabic AR uh bihk, numerals, also called Hindu-Arabic numerals, are the most common symbols used to represent numbers. Every number can be… More>>
Octillion 
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