Question 92
State whether the statement is True or False.
Integers are closed under multiplication.
True Because multiplication of two integers is always an integer. If we multiply a number by 0, we always get 0. ⇒(−237)×0=0
Question 105
Integers are closed under division.
Question 77
Integers are closed under subtraction.
Question 64 In the following question, state whether the given statement is true (T) or false (F).
Natural numbers are not closed under multiplication.
Question 94
Multiplication is not commutative for integers.
Question 65 In the following question, state whether the given statement is true (T) or false (F). Natural numbers are closed under substraction.