Math, asked by ipsita4287, 11 hours ago

using identities , evaluate (7.8)²

Answers

Answered by hasansalah9384

1

Answer:

Calculate 7.87.8 to the power of 22 and get 60.8460.84.

60.8460.84

Answered by iannaseem

3

Step-by-step explanation:

(7+ 0.8)²

(7)²+(0.8)²+2 (7)(0.8)

49 +0.64 + 11.2

60.84

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