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13-04-2020
Mathematics

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a garage door code has 5 digits, if no digit is repeated how many codes are possible

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amna04352 amna04352

21-04-2020

Answer:

30,240

Step-by-step explanation:

For the first digit: 10 options

For the second: 10 - 1 = 9 options

For the third: 9 - 1 = 8 options

For the fourth: 8 - 1 = 7 options

For the fifth: 7 - 1 = 6 options

10×9×8×7×6

30,240

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