Evaluate: (0.3) × (0.3) - (0.2) × (0.2)

Solution:

Evaluating the given expression as follows

(0.3) × (0.3) - (0.2) × (0.2) = (3/10 × 3/10) - (2/10 × 2/10)

= 9/100 - 4/100

= (9 - 4)/100

= 5/100

= 0.05

✦ Try This: Evaluate: (0.4) × (0.4) - (0.2) × (0.2)

To solve the above problem you can follow the fractions and decimals rules to get the required answer.

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 2

NCERT Exemplar Class 7 Maths Chapter 2 Exercise Problem 108

Evaluate: (0.3) × (0.3) - (0.2) × (0.2)

Summary:

On Simplifying (0.3) × (0.3) - (0.2) × (0.2) we get 0.05 as a final value

☛ Related Questions:

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