ANSWER
The tunnel is 49.68 km long.
EXPLANATION
The length of the bridge is 21.6 km.
The nearby tunnel is 2.3 times as long as the bridge.
To find the length of the tunnel,we multiply the length of the bridge by 2.3
The length of the tunnel is
[tex] = 2.3 \times 21.6km = 49.68km[/tex]
to the nearest hundredth.
