Question

please solve this step by step

Answer 1

Hey mate!!

Here is ur answer

0.09m/20min

=0.009/2

=0.0045

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Answer 2

$\frac{0.09}{20} = \frac{9}{100 \times 20} \\ \\ = \frac{9}{2 \times 1000} \times \frac{10}{10} \\ \\ = \frac{90}{2 \times 10000} \\ \\ = \frac{45}{10000} \\ \\ = 0.0045$