Question

With identity theft on the rise, it is important that online websites, especially banking and credit card sites, require longer pin numbers. Complete each part of the assessment below.
Genuine Bank’s website requires that your pin number only be two numerical digits long. So, the first number to choose is from set A below and the second number to choose is from set B below. Find the cross product A × B to determine the number of possible combinations.
A = {0, 2, 4, 6, 8}
B = {1, 3, 5, 7, 9}
Valliant Bank’s website requires that your pin number be two digits long, the f

Answer 1

Similar (and smaller) example

A = {1, 2}
B = {4, 5}


A X B = {(1, 4), (1, 5), (2, 4), (2,5)}

Answer 2

let me know if that helps or not

Answer 3

It doesn't. I have no clue on how to do this

Answer 4

A X B is the set of all ordered pairs of the form (a,b) where 'a' comes from set A and b comes from set B

Answer 5

so for instance, (0, 1) is part of A X B

so is (0,3)

Answer 6

make sense?

Answer 7

Not really

Answer 8

pick a number in set A, any number

Answer 9

15

Answer 10

15 is not in set A

Answer 11

A = {0, 2, 4, 6, 8}

Answer 12

pick any number from that set

Answer 13

6

Answer 14

now pick a number from set B

Answer 15

whats set B

Answer 16

given at the top, set B is

B = {1, 3, 5, 7, 9}

Answer 17

so 7

Answer 18

so one ordered pair is (6, 7)

Answer 19

that's just one of the 25 ordered pairs

Answer 20

see how to get that?

Answer 21

Kind of

Answer 22

try making a table and that should help you generate the entire set A X B