# what is the multiplicative identity

The number "1" is called the multiplicative identity for real numbers. The multiplicative inverse of a is 1/a (where a is not equal to zero), since for every non-zero number a, a x (1/a) = 1. Also find the definition and meaning … A number and its reciprocal multiply to 1, which is the multiplicative identity. nx1=n Distributive Property A number is distributed to others. Definition of multiplicative identity in the Definitions.net dictionary. The identity property of multiplication, also called the multiplication property of one says that a number does not change when that number is multiplied by 1. The identity property of 1 says that any number multiplied by 1 keeps its identity. Division can be a multiplicative relationship because dividing by a number is the same as multiplying by its reciprocal (flip the number). The "identity" matrix is a square matrix with 1 's on the diagonal and zeroes everywhere else. under standard multiplication, the number 1 is the multiplicative identity. According to the multiplicative identity property of 1, any number multiplied by 1, gives the same result as the number itself. The short answer to your question is: it’s ONE. What is the multiplicative identity of -12/13 - 20333811 wedadabadi1 wedadabadi1 2 minutes ago Mathematics High School What is the multiplicative identity of -12/13 A.-13/12 B.1 C.0 D12/13 wedadabadi1 is waiting for your help. Notice that in each case, the missing number was the reciprocal of the number. multiplicative identity (plural multiplicative identities) An element of an algebraic structure, generally denoted 1, which is an identity for a multiplicative operation (generally denoted × or *, or by concatenation). Here are some examples of the identity property of multiplication. It is also called the Identity property of multiplication, because the identity of the number remains the same. What number can we multiply to 8 to get 1 (the multiplicative identity) as the answer? \$5.99. New questions in Mathematics. The multiplicative inverse of a nonzero number is its reciprocal (zero is not invertible). It must be a fraction! In a group, the additive identity is the identity element of the group, is often denoted 0, and is unique (see below for proof). [>>>] Multiplicative Identity. Multiplicative Identity. Example: 12 ÷ 4 = 12(1/4). (-4+8i)(a+bi) = -4+8i (-4a-8b) + (8a-4b)i = -4+8i. Multiplicative definition, tending to multiply or increase, or having the power to multiply: Smoking and asbestos exposure have a multiplicative effect on your risk of getting lung cancer. Information and translations of multiplicative identity in the most comprehensive dictionary definitions resource on the web. See: Reciprocal. So the Multiplicative Identity of -4+8i is 1+0i, which is just 1 [Answer: b)] Nope. n+0=n Multiplicative Identity A number times one is always equal to itself. Multiplicative Identity 1 is called multiplicative identity. Multiplicative Identity Property Calculator: Enter number for Multiplicative Identity Property: Formalizations of the natural numbers have their own representations of 1. For the integers, rational numbers, real numbers, complex numbers etc. In a monoid or multiplicative group where the operation is a product, the multiplicative inverse of any element is the element such that, with 1 the identity element. That's a really weird problem. Multiplying by the identity. The reciprocal of a number is its multiplicative inverse. Wow! If it's not the same number every time, it is NOT multiplicative. The multiplicative identity (also called the identity for multiplication) is one, because a x 1 = 1 x a = a. This is defined to be different from the multiplicative identity 1 if the ring (or field) has more than one element. adj. The multiplicative identity is a property of a set of numbers, not of an individual number in the set. We call 1 a the multiplicative inverse of a (a ≠ 0). The multiplicative identity property means that when something is multiplied by 1 then it will remain the same as the other number. What does multiplicative identity mean? a × 1 = 1 × a = a Multiplicative Inverse Reciprocal of a number is called multiplicative inverse Like Multiplicative inverse of 2 = 1/2 Multiplicative inverse of 4 = 1/4 Let’s do some more examples and check as well Multiplicative inverse of –6 Multiplicative inverse for −6 = 1/(-6) = (-1)/6 What you multiply by a number to get 1 Example: 8 × (1/8) = 1 In other words: when we multiply a number by its "Multiplicative Inverse" we get 1. 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