A Potato Chips factory produces 60,000 potato chips each week and decided to buy an expensive machine for RM 13,000 equipment to increase output, with an operating life of 5 years for the new machine. It would reduce labor costs to RM 11,000 per year. Will it be a good decision to consider purchasing this equipment? The existing machines productivity is RM 195 per potato packet.

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.

It doesn’t show the question