Question

is 0.5 the multiplicative inverse of 1 by 2 why or why not​

Answer 1

Step-by-step explanation:

The multiplicative inverse of a number is the number which when multiplied to the number gives 1. Here, 0.5*2 = 1, Hence 0.5 is the multiplicative inverse of 2.

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Answer 2

Answer:

The multiplicative inverse of a number is the number which when multiplied to the number gives 1. Here, 0.5*2 = 1, Hence 0.5 is the multiplicative inverse of 2.

Step-by-step explanation:

The multiplicative inverse of a non-zero element, x, in a set, is an element, y, from the set such that x*y = y*x equals the multiplicative identity. The latter is usually denoted by 1 or I and the inverse of x is usually denoted by x-1 or 1/x. y need not be different from x. For example, the multiplicative inverse of 1 is 1, that of -1 is -1.

The additive inverse of an element, p, in a set, is an element, q, from the set such that p+q = q+p equals the additive identity. The latter is usually denoted by 0 and the additive inverse of p is denoted by -p.