6=2(y+2) help me please i am stuck on this thx

Asap 25 pts brainliest to right best/answer

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1