Question

Q. 9, 10 and 6
Please answer

Answer 1

Answer:

6)

$125 \times \frac{3}{5} = \frac{125 \times 3}{5} = 25 \times 3 = 75$

10)

${(ab)}^{2} = {(bc)}^{2} + {(ac)}^{2} = {12}^{2} + {5}^{2} = 144 + 25 = 169 \\ ab = 13$

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