Question

Evaluate 102^2-101^2​

Answer 1

Answer:

203

Step-by-step explanation:

(102^2)-(101^2)=203

Answer 2

Answer:

203

Step-by-step explanation:

102²-101²

=(100+2)²-(100+1)²

=[(100)²+2×100×2+(2)²] - [(100)²+2×100×1+(1)²]

=(10000+400+4) - (10000+200+1)

=10404 - 10201

=203

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