Find the Cartesian product B × A.

A = {3, 5, 9, 7}
B = {0, 1}
would it be (0x3)(0X5)(0x9)(0x7)(1x3)(1x5)(1x9)(1x7)?

To find the Cartesian product B × A, you need to combine each element of B with every element of A.

So, in this case, B = {0, 1} and A = {3, 5, 9, 7}. To find the Cartesian product, you will pair each element of B with each element of A.

The correct way to calculate this would be:
(0, 3), (0, 5), (0, 9), (0, 7), (1, 3), (1, 5), (1, 9), (1, 7).

So, B × A = {(0, 3), (0, 5), (0, 9), (0, 7), (1, 3), (1, 5), (1, 9), (1, 7)}.