There are five students in the lunch line. may is 48 inches tall, ann is 45 inches tall ,con is 42 inches tall ,bell is 52 inches tall, emma is 44 inches tall. what is the difference in height between the tallest and the shortest student?

Bell is the tallest person at 52 inches, Con is the shortest person at 42 inches. So  54 - 42 = 12

12 difference because tallest fifty two in smallest 42 so just subtract 42&52

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.