You can
put this solution on YOUR website!I'm assuming you want the sum of all of the numbers right?
You're going great so far. However, you've made a mistake on this line
=-2.3+8
Notice -4.9 plus 2.5 is -2.4 (not -2.3). So it should be
=-2.4+8
which adds to
=5.6
So the sum of every number is 5.6