Number System Practice Test 3

Question : 36 of 40

Marks: +1, -0

x is an even number then

x^{4n}

, where n is a positive integer, will always have—

Solution:

Here,

x^{4n}=(2^4)^n

or,

(4^4)^n

or,

(6^4)^n

Hence, they will always have 6 in the unit's place.

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