What is 4 to the square root of 2

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left