Fill in the blanks (a) ____ × 13 = 13 × 18 (b) Whole numbers are closed under _______ and ________ operation. (c) Division by ______ is not defined. (d) _______ is the identity for multiplication. (e) If ______ is added to a number, the sum will remain the same. Hence ______is called the __________ in the whole numbers.
Answers
Answer:
a.18
b.addition and multiplication
c.0
d.1
e.0,0,additive identity
Answer:
(a) 18
(b) addition, multiplication
(c) zero
(d) 1
(e) zero, zero, additive identity
Step-by-step explanation:
The correct answers for the given blanks are written below:
(a)
(b) Whole numbers are closed under addition and multiplication operation.
(c) Division by zero is not defined.
(d) 1 is the identity for multiplication.
(e) If zero is added to a number, the sum will remain the same. Hence, zero is called the additive identity in the whole numbers.
Detailed explanation:
(a) Here, both the sides of the equation must be equal hence 18 is the answer.
(b) Under the addition and multiplication operation, whole numbers are closed according to the closure property.
(c) If we divide any number by zero, the answer will not be defined.
(d) The identity for multiplication is always 1.
(e) By adding zero to any number, the sum will come out to be the same as the number which is why we call it the additive identity.
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