5. A stock started the week at $8.05 per share, and at the end of the week it had
lost 19% of its value. To the nearest penny
what was the final price of the stock?

Ihave, but this question is gonna probably get deleted.

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.

59/96 is the ratio hope this not 100% sure though : /