Josh says that (4)(-7)(-1) is equal to (4)(7). Evangelina says (4)(-7)(-1) is equal to (-28)(-1). Who is correct? *
O Josh
O Evangelina
O Both
O No one

It is the top one. the answer is -7. that is smallest

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.