Multiple choice

What approximate value should come in place of question marks (?) you donot need to calculate exact value ? ( (36.79)^{2} - (24.999)^{2} = ? -(876.95) )

  1. 1720

  2. 1680

  3. 1620

  4. 1750

  5. 1500
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Approximating: (36.79)^2 ≈ 37^2 = 1369 and (24.999)^2 ≈ 25^2 = 625. So 1369 - 625 = 744. Then 744 = ? - 876.95, which means ? = 744 + 877 ≈ 1621. The closest option is 1620.

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