Question

Se a=0,111...... e b=0,555..... qual o valor de bVa

Answer 1

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$a=0,111...= \frac{1}{9} \\ \\ b=0,555...= \frac{5}{9} \\ \\ b \sqrt{a} = \\ \\ \frac{5}{9} \sqrt{ \frac{1}{9} } = \\ \\ \frac{5}{9} . \frac{1}{3} = \frac{5}{27}$