Question

using identities evaluate 11.1²×9.9²​

Answer 1

11.1²×9.9² = 123.21 × 98.01 = 12,075.8121

Step-by-step explanation:

Here you go the answer, hope it helps...

Answer 2

Answer:

109.89

Step-by-step explanation:

$11.1^{2} * 9.9^{2$

$(10.5+.6) ^ {2} * (10.5-.6)^{2}\\a^{2} - b^{2} = (a+b) (a-b)\\(10.5+.6)(10.5-.6)\\11.1 * 9.9\\109.89$