Question

evaluate the following products without actual multiplication 102× 99 __​

Answer 1

Answer:

10098

Step-by-step explanation:

is the answer to this question 102×99

Answer 2

Answer:

102 x 98

102 = 100+2

98 = 100-2

= (100+2) x (100-2)

= $100^{2}$ - $2^{2}$    (using identity)

= 10000 - 4

= 9996

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