What is the definition of Scalar Matrix
Select the appropriate response:

A) first row = 0
B) All elements are possitive +
C) Elements of diagonal are even
D) Elements of diagonal are equals

Main idea on left, details on right

This law is sometimes called the grouping property. as you can see, regardless of how the numbers are grouped, the answer is still 13. the associative law of multiplication is similar to the same law for addition. it says that no matter how you group numbers you are multiplying together, you will get the same answer.