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    Ipad Security Code

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    To log into an IPad, a four-digit security code needs to be typed. The code can be digits 0 through 9 or lower case letters a through z. How many four-digit codes can be formed in total? Is it likely that someone who is not the owner of the IPad will guess the code?

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    Solution Preview

    Since this is a four-digit code, we can image that there are 4 positions there.

    For first position, we have choice from 10 digits and 26 letters, i.e., we have 36 choices. So there is 36 possible choice for 1st ...

    Solution Summary

    The solution gives detailed steps on finding combination of Ipad security code. All steps are shown and explained.