Question
Find the approximate value of the given expression and choose the nearest option. (4.98)² + 3.49 × 7.92 − 119.9 ≈ ?
Solution
(4.98)² ≈ 5² = 25 3.49 ≈ 3.5, 7.92 ≈ 8 3.5 × 8 = 28 Expression ≈ 25 + 28 − 120 = 53 − 120 = −67
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