please help me to answer these....asap...!
to codes its property inventories, a company designed a card system by which the first 2 characters are numbers (0 to 9) and the next two characters are letters of the English alphabet. how many different coding cards can be made?
to codes its property inventories, a company designed a card system by which the first 2 characters are numbers (0 to 9) and the next two characters are letters of the English alphabet. how many different coding cards can be made?