12:12 Fri 22 Jan vle. mathswatch. co. uk
8296
Find the exact values of the following, giving your answers as fractions.
a) 32
b) 43
c) 2-6

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.