Question

Find the sum 3mn, -5mn, -8mn

1.) 5mn
2.) 3mn
3.) -10mn
4.) -8mn​

Answer 1

Answer:

-8

First add 3+5 = 8

then 8+-8=-8

Answer 2

3)-10 mn

Step-by-step explanation:

3mn + (-5mn) plus into minus is minus so

-2

-2 + (-8) minus into minus is plus so 10 put greater no. sign so -10 is correct