Если b = 8, сколько нулей в дробной части выражения (3b/5) · 10⁻⁷?

  1. 6
  2. 7
  3. 5
  4. 3

📝 Detailed explanation

(3 · 8 / 5) · 10⁻⁷ = 4,8 · 10⁻⁷ = 0,00000048. В дробной части (после запятой, до первой значащей цифры) ровно 6 нулей.
7 / 10 (70%)
Question 7 of 10
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