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Math Help - tens and units digits

  1. #1
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    tens and units digits

    I dont get this.
    What will the tens and the units digits of 2008^2008 be?
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  2. #2
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    i think the unit digit is 8, but i dont know the tenths digit.
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  3. #3
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    Tens digit = 1
    Unit digit = 6
    the last 2 digits of 2008^{2008} is 16.
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  4. #4
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    "clarebear14tens and units digits
    I dont get this.
    What will the tens and the units digits of 2008^2008 be? "




    Thought it was 44.
    Don't have time to check.
    sorry agree 16
    Last edited by jaydee323; October 7th 2008 at 03:19 AM. Reason: correction
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  5. #5
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    sorry i mistakely written as 8, the value of unit digit is 6.. but the tenths digit i dont know how to find.

    please explain that....
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  6. #6
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    Tn = 2008^n

    A pattern which is 8 terms long emerges for last two digits
    T3 = T11
    T4 = T12
    T8 = T16 = . ... ...T2008 = 16
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  7. #7
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    thanks for your reply and explanation

    but we can only substitute and find the results, or any relations or equations are there??
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