Which measurement is most precise? Select one:

a.)25.2 grams
b.)98.23 grams
c.)44.4 grams
d.)32.758 grams

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.