Question

Multiplicative identity for whole numbers​

Answer 1

A multiplicative inverse is a reciprocal. What is a reciprocal? A reciprocal is one of a pair of numbers that when multiplied with another number equals the number 1. For example, if we have the number 7, the multiplicative inverse, or reciprocal, would be 1/7 because when you multiply 7 and 1/7 together, you get 1!

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Answer 2

1 is the multiplicative identity for whole numbers.

Explanation:

Whole numbers:

• This is the set of all the natural numbers including zero, numbers which do not contain fractions ( parts) or negative number. i.e. 0, 1, 2, 3, 4, 5....... ∞

Multiplicative identity:

• An element by with the number should be multiply to get the the same number.

• Other way of saying: if two numbers are being multiplied with each other, and their product is one of the numbers that are being multiplied, then the other number is the multiplicative inverse of the first Number.
• Ex. If a × b = a, then b is the multiplicative identity of a.

⟹ 1 × 1 = 1

⟹ 1 × 6 = 6

⟹ 1 × 7 = 7

here, we can see that when we multiply any whole number with 1, the product is the same whole Number.

1 is the multiplicative identity of any real number ( which also includes whole numbers ).