How to create an expression with all the numbers including, (-4), 10, 8, 2, (-3), (-5)

Question

Also this is 6th and 7th grade math

Answer 1

(-4)+10+8+2 + (-3) + (-5) is an expression using all six numbers, summing them to

= 8

or

[(-4)+10+8+2+(-3)]/(-5) = the negative of the average of the first five numbers

= -13/5 = - 2.6