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# What is the reciprocal of a negative number?

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The reciprocal of a negative number is also a negative number because when the two numbers are multiplied the answer is 1. For example, the reciprocal of -6 is -1/6, and the product of these two numbers is -6 x (-1/6)= 1.

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The reciprocal of a number is also known as a multiplicative inverse, and it is defined as that number which when multiplied by the given number gives the result as unity, in other words 1. A reciprocal is determined by exchanging the position of the numerator and denominator in a given number. For example, the reciprocal of -2/3 is -3/2.

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## Related Questions

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A non-real, or imaginary, number is any number that, when multiplied by itself, produces a negative number. Mathematicians use the letter "i" to symbolize the square root of -1. An imaginary number is any real number multiplied by i. For example, 5i is imaginary; the square of 5i is -25.

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The two numbers that have a tens digit that is eight more than the ones digit are 80 and 91. Note that there are some larger numbers that also exhibit this pattern, such as 180, 280, 191 or 291.

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In reality there is no answer to the question: What is the highest number known to man? With the addition of 1, any number presented as the largest can be made obsolete. In the abstract, numbers stretch on to infinity with no end to how high they can go; however, the largest number that has a name in the English language is googleplex.