Question

who know this problem (-2.6)+7=7+(-2.6)

Answer 1

what is the question?

Answer 2

But what do you have to do with that?

Answer 3

Commutative property of addition. It means that addends can be added in any order and the sum is always the same.

Answer 4

\[\sqrt{7}\]

Answer 5

7 isn't a perfect square, so you would have to put it into your calculator to find an approximation.

Answer 6

how i do that

Answer 7

\[\sqrt{7}\approx 2.645751311\]