Question

simplify.
1) 1.62×1.62-0.38×0.38
?????​

Answer 1

Answer:

$= (1.62 + 0.38)(1.62 - 0.38) \\ = 2 \times 1.24 \\ = 2.48$

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Answer 2

Answer:

hello sis

By using this identity a^2-b^2=(a+b)(a-b)

By using this identity a^2-b^2=(a+b)(a-b)1.62^2-0.38^2=(1.62+0.38)(1.62-0.38)

By using this identity a^2-b^2=(a+b)(a-b)1.62^2-0.38^2=(1.62+0.38)(1.62-0.38)=(2.00)( 1.14)

By using this identity a^2-b^2=(a+b)(a-b)1.62^2-0.38^2=(1.62+0.38)(1.62-0.38)=(2.00)( 1.14)=2.28

hope it help u

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