Answer for (3.1 - 1.15)²/0.005 is 760.5
Step-by-step explanation:
(a - b)² = a² - 2ab + b². Here a = 3.1 and b= 1.15
⇒ (a - b)² = (3.1)² - 2×3.1×1.15 + (1.15)²
= 9.61 - 7.13 + 1.3225
= 10.9325 - 7.13 = 3.8025
⇒ (3.1 - 1.15)²/0.005 = 3.8025/0.005 = 760.5