7) A serial number for a manufactured part has four characters: The first character is a digit, (1, 2, 3, or 4). The sec
Posted: Thu May 12, 2022 1:23 pm
7) A serial number for a manufactured part has four characters: The first character is a digit, (1, 2, 3, or 4). The second character is a vowel (A, E, I, O, U). The third character is another vowel but can't be the same vowel as the second character. The fourth character is any digit (0 to 9). How many serial numbers are possible? Examples: 30A9 4AE4 1100