Question

120 x 106 using identities

Answer 1

Answer: 12720

Step-by-step explanation: First lets find out the identity to be used

=> (100+20)(100+6)       [Identity 4 =  (x+a)(x+b)]

=> $100^{2}$ + (20+6)100 + (20 x 6)

=> 10000 + 2600 + 120

=> 12720