3 \RIGHT)\times \left( -16 \right)\times \left( -1 \right)\] \[=\left( -1 \right)\times 3\times \left( -1 \right)\times 16\times \left( -1 \right)\times 1\] \[=\left( -1 \right)\times \left( -1 \right)\times \left( -1 \right)\times 3\times 16\times 1\] \[=\left( -1 \right)\times 48=-48\]