Question

evaluate:(0.3)×(0.3)-(0.2)×(0.2)
with explanation

Answer 1

(0.3)(0.3) - (0.2)(0.2)

= (0.3)^2 - (0.2)^2

= 0.09 - 0.04

= 0.05

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Answer 2

(0.9)-(0.4)

=0.5

I hope it help you so much