Un tanque de 3.6 m de profundidad tiene 95000 litros de agua cuando está lleno, si el nivel del agua baja 2,4 m ¿Qué cantidad de agua contiene en ese
momento?

I'm gonna have to say about 13 percent

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.