Question

Evaluate using identity : 1.07 * 9.3

Answer 1

Answer:

so answer is 99.51

Step-by-step explanation:

$10.7 \times 9.3$

$(10 + 0.7)(10 - 0.7)$

using identity (a+b)(a-b)=a^2 - b^2

${10}^{2} - ( {0.7})^{2}$

$100 - 0.49$

$99.51$

PLEASE MARK MY ANSWER AS BRAINLIEST.

Answer 2

Answer:

use identity

(x+a)(x+b)=x square(a+b)x+an