Answer:
53.69 kilograms.
Explanation:
You had 454 grams of shrimp per square feet in a tank.
Converting square feet in square meter.
1 square foot = 0.092903 square meter
Means you had 454 grams of shrimp per 0.093 square meter in a tank.
The bottom area of the tank is 11 square meter.
So, grams of shrimp in 11 square meter =

= 53698.92 grams
In kg it will be
= 53.69 kg