The figure is made up of 2 hemispheres and a cylinder.

what is the exact volume of this figure?

A=bxh3.2x1.8=5.76 centimeters square

There are 48 blue cards total

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.