gan tolong nomor 3 a dan yang B pakai cara

a. 40 × (½)³
= 40 × ⅛
= 5

b. 54 × (⅔)²
= 54 × 4/9
= 6 × 4
= 24

Please, let me answer your question :)
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Mapel : Matematika
Tentang : Pangkat
Pembahasan :

A :

[tex]{ (\frac{1}{2} )}^{3} = \frac{ {1}^{3} }{ {2}^{3} } = \frac{1}{8} [/tex]

[tex]40 \times \frac{1}{8} = 5 \times 1 = 5[/tex]

B :

[tex] { (\frac{2}{3}) }^{2} = \frac{ {2}^{2} }{ {3}^{2} } = \frac{4}{9} [/tex]

[tex]54 \times \frac{4}{9} = 6 \times 4 = 24[/tex]

Jawaban :
- A : 5
- B : 24

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Heil Manstein!