Abrownie recipe requires two and two thirds cups of sugar to one cup of chocolate chips. if one and one third cups of sugar is used, what quantity of chocolate chips will be needed, according to the recipe

Half of what the recipe required because your using half the required amount of sugar 

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.

The answer is a (-3,-10.75