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Question
Evaluate: (0.3) × (0.3) – (0.2) × (0.2)
Sum
Solution
Given, (0.3) × (0.3) – (0.2) × (0.2)
∵ 0.3 = `3/10` and 0.2 = `2/10`
∴ `(3/10 xx 3/10) - (2/10 xx 2/10) = 9/100 - 4/100`
= `(9 - 4)/100`
= `5/100`
= 0.05
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Chapter 2: Fractions and Decimals - Exercise [Page 52]
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