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Answer:

Q3. (0.2×0.14)+(0.5×0.91)

(0.1×0.2)

= 0.938

4. 4/3+4/3+4/3+4/3+4/3

= 6.67

5. 4×6⅔= 26.67

3⅓×5⅓= 10/3×16/3= 17.78

26.67-17.78= 8.89

6. 142/5×102/5×23/5

72/5 × 52/5 × 13/5

= 389.376cm²

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