Question

1) The identity element for multiplication is _____.
2) –( 143 + 48 ) -39 +300 is _______.

Answer 1

1. Definition of multiplicative identity : An identity that when used to multiply a given element in a specified set leaves that element unchanged.

        Consider whole numbers

       a,b

        According to question

        a×b=a

        b= a/a

        b=1