If A={1,2}A = \{1, 2\}A={1,2} and B={3,4,5}B = \{3, 4, 5\}B={3,4,5}, what is the Cartesian product A×BA \times BA×B?
{(1,3),(1,4),(1,5),(2,3),(2,4),(2,5)}\{(1,3), (1,4), (1,5), (2,3), (2,4), (2,5)\}{(1,3),(1,4),(1,5),(2,3),(2,4),(2,5)}
{(3,1),(4,1),(5,1),(3,2),(4,2),(5,2)}\{(3,1), (4,1), (5,1), (3,2), (4,2), (5,2)\}{(3,1),(4,1),(5,1),(3,2),(4,2),(5,2)}
A set of 666 ordered pairs.
A set of 555 ordered pairs.