Q.2² – 2³ = _____Harus nyaingin kuis sebrang​

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Q.2² – 2³ = _____Harus nyaingin kuis sebrang​

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Perpangkatan bilangan yaitu suatu perkalian yang berulang atau berganda bilangan dengan faktor faktor bilangan yang sama.

  • Pangkat dua ataupun bilangan kuadrat yaitu suatu hasil perkalian antara suatu bilangan itu dengan bilangan itu sendiri juga.

Contohnya bilangan pangkat 2 :

  • 1² = 1 x 1 = 1
  • 1² = 1 x 1 = 12² = 2 x 2 = 4
  • 1² = 1 x 1 = 12² = 2 x 2 = 43² = 3 x 3 = 9
  • 1² = 1 x 1 = 12² = 2 x 2 = 43² = 3 x 3 = 94² = 4 x 4 = 16
  • 1² = 1 x 1 = 12² = 2 x 2 = 43² = 3 x 3 = 94² = 4 x 4 = 165² = 5 x 5 = 25
  • 1² = 1 x 1 = 12² = 2 x 2 = 43² = 3 x 3 = 94² = 4 x 4 = 165² = 5 x 5 = 256² = 6 x 6 = 36

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2² – 2³ =

= ( 2 x 2 ) – ( 2 x 2 x 2 )

= 48

= 4

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→ 2² – 2³

→ (2 × 2) – (2 × 2 × 2)

→ 4 – 8

→ -4

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