Key to Pps 1.6 #2

Here is the key to SpongeBob:

https://www.dropbox.com/s/wtyschlmq7yghvl/scimethodconvar2.pdf

Here are the partial set ups for the percent error Pps.

https://www.dropbox.com/s/8fhkwvcjv9p0ken/pecenterrorpracticeproblemskey.png

https://www.dropbox.com/s/nx9wn63s66ptafm/pecenterrorpracticeproblemskey_2%20.png