Multiple choice

What approximate value should come in place of question mark (?) in the given equation? (1.2)2 x (3.5)2 = ?

  1. 4.5

  2. 17.6

  3. 175

  4. 1225

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

(1.2)^2 * (3.5)^2 = (1.2 * 3.5)^2 = (4.2)^2 = 17.64. The closest approximate value is 17.6.

AI explanation

Round the bases to get the expression 1 squared multiplied by 4 squared. While the exact calculation is 1.44 multiplied by 12.25, a closer approximation using 1.2 and 3.5 gives 17.64. Rounding to one decimal place yields 17.6.