What approximate value should come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value) (4.897)4 × (2.105)3 ÷ (9.999)3 = ?

What approximate value should come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value) (4.897)4 × (2.105)3 ÷ (9.999)3 = ? Correct Answer 5

(4.897)4 × (2.105)3 ÷ (9.999)3 = ?

Taking their approx. values

(5)4 × (2)3 ÷ (10)3 = ?

⇒ ? = 625 × 8 × (1/1000)

⇒ ? = 5

∴ ? = 5

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