Geography, asked by rupalijais6066, 1 year ago

9.9× 10.1 by using suitable identity

Answers

Answered by rejibala

2

Answer:

WHEN WE MULTIPLY 9.9AND 10.1 WE GET 99.99

Answered by anjali704

17

Answer:

99.99

Explanation:

= (10 - 0.1) (10 +0.1)

using identity (a+b)(a-b) = a²+b²

= (10)²- (0.1)²

= 100 - 0.01

= 99.99.

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