০.০০০০০১ x ২/৫ = ?
Solution
Correct Answer: Option C
0.000001 = 1/1,000,000
(1/1,000,000) × (2/5)
= 2/5,000,000
= 0.0000004
(1/1,000,000) × (2/5)
= 2/5,000,000
= 0.0000004
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