Sunday, March 17, 2013

Nilai Digit Bagi Nombor Dalam Asas 2, 8 dan 5


Nilai digit = Digit × Nilai tempat bagi digit tersebut

Contoh:

Nyatakan nilai digit yang bergaris dalam setiap nombor berikut.
  • 11012
    Jwb:
    Nilai tempat
    23 = 8
    22 = 4
    21 = 2
    20 = 1

    Nombor
    1
    1
    0
    1

    Nilai digit
    1 x 8 = 8
    1 x 4 = 4
    0 x 2 = 0
    1 x 1 = 1


    Oleh itu, nilai digit ‘1’ dalam 11012 ialah 8.



  • 40328
    Jwb:
    Nilai tempat
    83 = 512
    82 = 64
    81 = 8
    80 = 1

    Nombor
    4
    0
    3
    2

    Nilai digit
    4 x 512 = 2048
    0 x 64 = 0
    3 x 8 = 24
    2 x 1 = 2


    Oleh itu, nilai digit ‘3’ dalam 40328 ialah 24.



  • 13425
    Jwb:
    Nilai tempat
    53 = 125
    52 = 25
    51 = 5
    50 = 1

    Nombor
    1
    3
    4
    2

    Nilai digit
    1 x 125 = 125
    3 x 25 = 75
    4 x 5 = 20
    2 x 1 = 2


    Oleh itu, nilai digit ‘4’ dalam 13425 ialah 20.

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