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5 September, 20:49

Which expression, when evaluated, has a result that is a natural number?

√5 · 4

√9 - 5

√4 + () 2

√256 · 0.125

+2
Answers (1)
  1. 5 September, 21:57
    0
    option (C) and option (D)

    √4 + 2

    √256 · 0.125

    Step-by-step explanation:

    Natural numbers are positive integers

    1)

    √5 · 4

    4√5

    as √5 is not a perfect square

    2)

    √9 - 5

    3 - 5

    -2

    3)

    √4 + 2

    2 + 2

    4

    4)

    √256 · 0.125

    16 (0.125)

    16 (125) {3 decimal places to left}

    2000.0

    2.0

    2
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