Matematika

Pertanyaan

Hitunglah
a)8×(1/2)pangkat 4
b) 16×(1/2) pangkat -4
c) (-8)pangkat 3 × (-1/2)pangkat 4
d)(-16)×(1/2)pangkat -4

1 Jawaban

  • a)
    8 × (1/2)^4
    = 8 × 1/16
    = 8/16
    = 1/2

    b)
    16 × (1/2)^-4
    = 16 × (2/1)^4
    = 16 × 16/1
    = 256/1
    = 256

    c)
    (-8)^3 × (-1/2)^4
    = -512 × 1/16
    = -512/16
    = -32

    d)
    (-16) × (1/2)^-4
    = (-16) × (2/1)^4
    = (-16) × (16/1)
    = -256/1
    = -256

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