Question

The answer is given but I need the method.​

Answer 1

`\implies` 49.2

Step by step explanation:

We know that,

a² - b² = (a+b)(a-b)

7.46² - 2.54² ↓

= (7.46 + 2.54)(7.46 - 2.54)

= (10)(4.92)

= 49.2 Ans.