Which of the following is the multiplicative identity for an integer $a$ ?

$a$

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$1$

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$0$

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$- 1$

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Solution

The correct option is B
$1$

Explanation.
Multiplicative identity property states that if a number is multiplied by the number $1$ then the resultant of the product is the number itself. $1$ is the multiplicative identity of a number.
The multiplicative identity of an integer $a$ is $1$ .
$a \times 1 = a$
Hence, the correct option is $B$ .

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___

Which number is the multiplicative identity for integers?
_____

Which of the following statements is/are true?

(i) The smallest integer is zero.

(ii) The multiplicative identity for integers is -1.

(iii) The absolute value of an integer is always greater than the integer.

(iv) Every negative integer is less than any natural number.

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