What's the Answer for (-8 ) – (- 8 ) =

It would be -64 because it’s -8 multiplied by a -(-8) which is positive so it’s -8 •8

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.