How many 4 digit odd numbers can be formed if no digit can be repeated?

(The first digit cannot be zero.)

Group of answer choices

2,240

2, 540

5040

120

If a new computer password is made up of 4 digits followed by 3 letters.

Determine how many different computer passwords are possible if digits and letters cannot be repeated.

From a standard deck of cards, how many ways can you pick a king, a heart, and then a five, provided you put the cards back into the deck?

A baseball manager is determining the batting order for the team. The team has 9 players, but the manager definitely wants the pitcher to bat last. How many batting orders are possible?

How many even 3-digit positive integers can be written using the digits 1, 2, 4, 6, and 8?