Answer:
6^-4 ÷ 3^-4
6^-4/3^-4
Since their powers are negative
Flip them both so the negative index is lost.
It now becomes
3^4/6^4
81/1296
=1/16
You didn't post a file so I can't help you. Perhaps put a picture?
Answer:
The percent error is -2.1352% of Jocelyn's estimate.
Correction from my spelling,
If she walks from A to C to B*
If you have any question upon my solution, please ask !
Hope this helps you :)