Simplify: (0.3 * 0.3 + 2 * 0.3 * 0.7 + 0.7 * 0.7).

Topic: Simplification
Subtopic: Algebraic Expansion

A0.49

B0.81

C1.00

D1.21

Explanation

Expression is in the form a^2 + 2ab + b^2 = (a + b)^2 where a = 0.3 and b = 0.7. So (0.3 + 0.7)^2 = (1.0)^2 = 1.00.

Exam Relevance

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