The combination for opening a safe is a four-digit number made up of different digits. How many different combinations cna you make, using only odd digits?
Question
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Answer:120Step-by-step explanation:My choices are: 1, 3, 5, 7, 9. I cannot repeat any of the numbers.The first spot, I have 5 choices. The second spot, I have 4 choices, the third spot, I have 3 choices and the final spot has only 2 choices.5x4x3x2 = 60