The table below shows the elevations at which the different artifacts were found during an archeological dig. a) Write the name of each artifact and the elevation at which each artifact was found using a positive integer, zero, or negative integer.
b) Explain how you determined if an elevation required a postivite integer, zero, or a negative integer.
( I have to find the mistake to the student's work to these questions )
Students work:
a) arrow head=+15
bone=+721
clay bowl=0
necklace=-462
woven basket=-1,200
b) 'by the text telling me below or above sea level. 0 meant on sea level
(PLEASE HELP IM DESPERATE, sorry for having such a large question)