Chapter 4.2, Problem 68E

To determine

The meaning of AB represent where the table represents the matrix A and $B={\left[\begin{array}{ccc}1& 1& 0\end{array}\right]}^T$. Here $A$ is $3\times 3$ matrix whose entries are the figures in the table.

	June	July	Aug.
California	54,100	56,200	59,400
Florida	23,800	22,400	23,600
Texas	9,300	10,600	10,100