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swat32
3 years ago
13

What is 1/5 × -3/2 +4/5 × -2/7 × -1/6 × -2/7

Mathematics
2 answers:
velikii [3]3 years ago
4 0

Answer:

\frac{-457}{1470}

Step-by-step explanation:

\frac{1}{5} \times \frac{-3}{2} + \frac{4}{5} \times \frac{-2}{7} \times \frac{-1}{6} \times \frac{-2}{7}

(\frac{1}{5} \times \frac{-3}{2}) + (\frac{4}{5} \times \frac{-2}{7} \times \frac{-1}{6} \times \frac{-2}{7})

\frac{-3}{10} +\frac{-16}{1470}

=\frac{-457}{1470}

netineya [11]3 years ago
4 0

Answer: 4/1225

Step-by-step explanation:

1/5 × -3/2 +4/5 × -2/7 × -1/6 × -2/7

Multiplying an even number of negative terms makes the product positive:

= 1/5 * 4/5 * 1/7 * 1/2 * 1/7

= 1/5 * 4/5 * 1/7 * 1/7

= 4/1225

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