Question

Evaluate: (99.9)2square-(0.1)2square

Answer 1

Answer:

9980

Step-by-step explanation:

$99.9^{2} - 0.1^{2} \\=> (99.9+0.1)(99.9-0.1)\\=> 100 * 99.8\\=> 9980$

Answer 2

Answer:

thre is the ans .............