It's a Clusterf*ck (photoshop lab)

What is the standard resolution for images made for the web? 

72

What is the standard resolution for images made for print? 

300

What 2 types of files should you always save, and what are their purposes?

.png/.jpeg - shareable file (post and sharing on social media)

.psd - working file (can continue to work and edit it)