What is 0.5\times ((-2)/7) ?

The solution to 0.5\times ((-2)/7) is -1/7

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simplify 0.5\times ((-2)/7)

simplify

0.5 \cdot (\frac{- 2}{7})

- \frac{1}{7}

Decimal Notation

- 0.14285 \dots

Solution steps

0.5 (\frac{- 2}{7})

0.5 = \frac{1}{2}

= \frac{1}{2} \cdot \frac{- 2}{7}

Apply the fraction rule:

\frac{- a}{b} = - \frac{a}{b}

\frac{- 2}{7} = - \frac{2}{7}

= \frac{1}{2} (- \frac{2}{7})

Apply rule:

a (- b) = - ab

\frac{1}{2} (- \frac{2}{7}) = - \frac{1}{2} \cdot \frac{2}{7}

= - \frac{1}{2} \cdot \frac{2}{7}

Cross-cancel common factor:

2

= - \frac{1}{7}

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