In which case would it be most appropriate to use mm as a unit of measurement? a. length of a paper clip b. width of a football field c. distance from new york city to los angeles d. height of a building

B. Width of a football field

B is the answer to your question

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.