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Divide 1 by the number. The multiplicative inverse of 7 is 1/7, for example.

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Q: How do you find the multiplicative inverse of a whole number?
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How do you determine the multiplicative inverse of a number?

The multiplicative inverse of a number is its reciprocal, meaning the multiplicative inverse of the rational number a/b is b/a. In the specialized case for integers, the multiplicative inverse of n is 1/n. This is due to the fact that a/b * b/a = 1 and n * 1/n = 1, which is the definition of a multiplicative inverse. More succinctly, to find the multiplicative inverse you "flip" the fraction or integer around to its reciprocal. This is the number that when multiplied with the original number results in a product of 1.


How do you find the opposite of a number?

The answer depends on what you mean by "opposite": whether it is the additive inverse or the multiplicative inverse.


How do you find the opposite of a decimal number?

The answer depends on what you mean by "opposite": whether it is the additive inverse or the multiplicative inverse.


How do you find the multiplicative inverse of a fraction?

Swap the numerator and denominator. For example, the multiplicative inverse of 5/7 is 7/5


Using the Euclid's algorithm find the multiplicative inverse of 1234 mod4321?

Using the extended Euclidean algorithm, find the multiplicative inverse of a) 1234 mod 4321


What is the opposite of the opposite of a number is?

The same number....


What thought process would you use when trying to find the additive or multiplication inverse of a number or expression?

Additive inverse: change all signs. Multiplicative inverse: flip it over.


What is the definition of multiplicitive inverse?

The definition of an multipilicative inverse is a number that's times by the known number to attain a product of one. To find the multiplicative inverse is the same thing as the recipricol of the number. To find the multiplicitive inverse or recipricol of a number, first turn the number into a fraction, then switch the numerator and denominator around. The result is your multiplicitive inverse.


How do you find the multiplicative inverse of whole number and a fraction?

I guess you mean a mixed fraction, such as 5 2/3, which basically means 5 + 2/3. To get the multiplicative inverse, you must first convert the fraction to an improper fraction (in this example, 17/3). Then, to get the multiplicative inverse, you exchange top and bottom (in this example, 3/17). Note that to do the conversion, I multiplied 5 x 3, and added 2 to the result. This number (17) goes into the numerator (top); the denominator (bottom) doesn't change.


How do you find the multplicate inverse of a rational number?

You take its reciprocal, that is you divide 1 by the number. A rational number can be written as a fraction with integer values in both the numerator and denominator, j/k. The multiplicative inverse of a number is what you have to multiply by to get a product of 1. Putting these ideas together, the multiplicative inverse is the reciprocal, or k/j: (j/k) * (k/j) = 1.


How do you find the multiplicative inverse of mixed numbers?

change it to an improper fraction and then do it


What is the multiplicative inverse of 4 plus i?

To find the multiplicative inverse of a complex number z = (a + bi), divide its complex conjugate z* = (a - bi) by z* multiplied by z (and simplify): z = 4 + i z* = 4 - i multiplicative inverse of z: z* / (z*z) = (4 - i) / ((4 - i)(4 + i) = (4 - i) / (16 + 1) = (4- i) / 17 = 1/17 (4 - i)