Math, asked by mrmukeshsharma1971, 1 year ago

evaluate 7.9×8.1 using identities

Answers

Answered by warrior24

5

Answer:

7.9×8.1

(8-0.1)(8+0.1)

8² - 0.1²

64-0.01

63.99

Answered by ruhis7401

0

(8.0-0.1)×(8+0.1)

64-0.01

63.99

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