What is 6+7 pleaes i ned help

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

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!