Question

0.8 × 0.8 + 3 × 0.3 × 0.9 - 0.4 × 0.4​

Answer 1

Answer:

$= > 0.8 \times 0.8 + 3 \times 0.3 \times 0.9 - 0.4 \times 0.4 \\ = > 0.64 + 0.81 - 0.16 \\ = > 1.29$

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Answer 2

0.8 x 0.8 + 3 x 0.3 x 0.9 - 0.4 x 0.4

0.64 + 0.9 x 0.9 - 0.16

0.64 + 0.81 - 0.16

1.45 - 0.16

1.29

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