Natalia has a savings account at a bank that charges $12 fee for every month her balance falls below $1,000. Her balance is $1,427.42 when she withdraws $350. After the transaction, what is her balance? give me the answer please ​

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.