Math challenge question integers inclusive 1-10?

The integers from 1 to 10, inclusive, are listed in a row of order. In each of the nine spaces between adjacent pairs of numbers, a plus sign or a minus sign is inserted. Find the number of assignments of plus and minus signs that will yield an expression whose value is 0. Why is the answer 0 explain and show... show more The integers from 1 to 10, inclusive, are listed in a row of order. In each of the nine spaces between adjacent pairs of numbers, a plus sign or a minus sign is inserted. Find the number of assignments of plus and minus signs that will yield an expression whose value is 0.
Why is the answer 0 explain and show steps to how and why is it impossible
and what does it mean by how much assingments
1 answer 1