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For what values of natural number n, 4^(...

For what values of natural number n, `4^(n)` can end with the digit 6?

Text Solution

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The correct Answer is:
`therefore 4^(n)` is always even.
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Knowledge Check

  • If n is a natural number then sqrtn is

    A
    always a natural number
    B
    always an irrational number.
    C
    always a rational number
    D
    may be rational or irrational .

  • What is the sum of first n natural numbers ?

    A
    `2n^(2)`
    B
    `2n^(2) + 1`
    C
    `n^(2) +1`
    D
    `(n(n+1))/2`

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