Question
245.67 + 20.05² + ?³ = √961.89 *
34.02 What approximate value should come in the place of (?) in the following questions? (Note:- You don't need to calculate the exact values)Solution
ATQ,
245.67 + 20.05² + ?³ = √961.89 * 34.02
246 + 20² + ?³ = √962 * 34
246 + 400 + ?³ = 31 * 34
646 + ?³ = 1054
?³ = 408
? ≈ 8
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