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Mathematics-Online problems:

Interactive Problem 657: The Last Digits of Powers

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
What would the last digit be for the value of each of the following expressions

   a)$\displaystyle \, \left(123^{789}\right)^{456} \qquad %\qquad $   b)$\displaystyle \, 789^{\left(123^{456}\right)}\ ? $

Answer:

a)
b)


   

(Authors: Höllig/Wipper/Walter)

see also:

  automatically generated: 8/11/2017