Question

with solution please ​

Answer 1

Answer:

=3/5 × -5/6× 9/21

= -13/25

=9/21

=-152/142

Answer 2

Answer:

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Step-by-step explanation:

$\frac{3}{5} \times \frac{ - 5}{6} \times \frac{9}{21} \\ \\ \\ \frac{ \cancel3 \: \: {}^{1} }{ \cancel5 \: \: {}^{1} } \times \frac{ \cancel{- 5} \: \: {}^{ - 1} }{ \cancel6 \: \: {}^{2} } \times \frac{9}{21} \\ \\ \\ \frac{ - 1}{2} \times \frac{ \cancel9 \: \: {}^{3} }{ \cancel{21} \: \: \ {}^{7} } \\ \\ \\ \frac{ - 1}{2} \times \frac{3}{7} \\ \\ \\ \frac{ - 3}{14}$