1x20 2x10 4x5
2X10 would work, as would 5X4.
The Commutative Property (of Multiplication) says that 4x5 = 5x4. So, If 4x5 = 20, then 5x4 will also be 20.
Associative property
8x4+5x4 +9= 61
No It is not 5x4=20 and 5x100=500
5x4 meters = 20m2 = 215.28 square feet.
5x is a common factor of all terms:- 5x(x3+4x2+9)
something like 5x4=4x5.
20
20
20