1. 15² + 5³ = ….?
2. 15⁴ – 20² = ….?
3. 100³ = ….?
4. 50³ = ….?
5. 22² + 12³ = ….?
Note : Pakai Cara
( Ngasal = Report )
Quiz Sore Jam 15.07
→ 1. 15² + 5³ = 350
→ 2. 15⁴ – 20² = 50.225
→ 3. 100³ = 1.000.000
→ 4. 50³ = 125.000
→ 5. 22² + 12³ = 2.212
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Pembahasan:
Bilangan berpangkat merupakan bilangan yang dimana bilangan tersebut dikalikan sesuai angka yang berada di bilangan pertama.
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Contoh:
→ 9² = 9 × 9 = 81
→ 6² = 6 × 6 = 36
→ 10² = 10 × 10 = 100
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Penyelesaian:
→ 15² + 5³
→ (15 × 15) + (5 × 5 × 5)
→ 225 + 125
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→ 15⁴ – 20²
→ (15 × 15 × 15 × 15) – (20 × 20)
→ 50.625 – 400
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→ 100³
→ 100 × 100 × 100
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→ 50³
→ 50 × 50 × 50
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→ 22² + 12³
→ (22 × 22) + (12 × 12 × 12)
→ 484 + 1.728
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Kesimpulan:
→ 1. 15² + 5³ = 350
→ 2. 15⁴ – 20² = 50.225
→ 3. 100³ = 1.000.000
→ 4. 50³ = 125.000
→ 5. 22² + 12³ = 2.212
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Pelajari lebih lanjut:
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Detail jawaban:
- Mapel: Matematika
- Kelas: SD
- Materi: Operasi hitung bilangan
- Kode soal: 2
- Kode kategorisasi: 4 . 2 . 1
- Kata kunci: Bilangan
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