3+4=7; 4+3=7 . This property is known as
commutative property of multiplication
commutative property of addition
distributive property of multiplication
distributive property of addition
The set of whole numbers is represented by the letter
N
R
W
I
The following number can be shown as a rectangle.
2
5
7
6
Additive identity for whole numbers is
1
-1
0
none of these
The following number can be shown as square .
9
11
The successor of 21 is
19
20
21
22
Multiplicative identity for whole numbers is
The predecessor of 39 is
38
40
41
42
Division by zero is
defined
possible
undefined
accurate
This number in the set of natural numbers has no predecessor
