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21 February, 07:21

A keycode must contain 2 letters and 3 numbers. The letters may be any letter of the alphabet. The numbers should be any number from 0 to 9. How many different keycode combinations are there?

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  1. 21 February, 07:24
    0
    It’s actually 676,000. That was the correct answer because I got it wrong on apex.
  2. 21 February, 07:32
    0
    They're 26 Letters in the Alphabet so you do 26x26=676

    You can only Pick from 0 to 9

    So you would Multiply 10x10x9=900

    Add 900 + 676 = 1576 They're 1576 Different KeyCode Combinations.
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