Multiple choice

What approximate value will come in place of the question mark (?) in the following question? (14.99)2 − (7.01)2 + (4.99)2 = ?

  1. 250

  2. 200

  3. 150

  4. 300

  5. 350

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Approximating the values: 15^2 - 7^2 + 5^2 = 225 - 49 + 25 = 201. The closest option is 200.

AI explanation

Round the decimals to the nearest whole numbers to get 15 squared minus 7 squared plus 5 squared. Using standard multiplication, this simplifies to 225 minus 49 plus 25. Calculating this yields 201, making 200 the closest approximate value.