Yes cause the tree is the only and best way to do it
Here's what I did which might help you
Do you mean millions? If so, please write 4,110,000, which is in terms of millions and is in standard form. Otherwise, ensure that you have copied down this problem correctly.
Well the first step is to add all the prices up which adds up to $6.80 and multiply it by 1.15. Since the 1 is for the original price which is 6.8 and the .15 is for the tip. You’re welcome and have a nice day