Kevin compared the absolute values of -10 1/8 -9.25 -8 3/8 and -12.4 which number has the greatest absolute value

-12.4 has the greatest value among these numbers

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.

Ibelieve it’s b? hopefully