the value of (0.9)sq.-(0.1)sq.is?
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The answer is 0.80,solution
(0.9) sq.=0.81
(0. 1) sq.=0.01
0.81
-0.01
=0.80
(0.9) sq.=0.81
(0. 1) sq.=0.01
0.81
-0.01
=0.80
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