Hisoblang: (2,1 × 10⁻¹¹) / (7 × 10⁻¹³)

  1. 3 × 10⁻¹
  2. 3
  3. 30
  4. 3 × 10²

📝 Detailed explanation

Sonli qismlarni va darajalarni alohida hisoblaymiz: 2,1 / 7 = 0,3. Darajalar bo'linganda ko'rsatkichlar ayiriladi: 10⁻¹¹ / 10⁻¹³ = 10⁻¹¹⁺¹³ = 10². Natijada: 0,3 × 10² = 30 kelib chiqadi.
2 / 10 (20%)
Question 2 of 10
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