Question

Is the addends are 170 and 130 what is the sum

Answer 1

If you have a calculator I would suggest using that, but otherwise here's the process:

170
+130
--------

Add the zeros.

0
+0
-----

Add 70 and 30.

70
+30
------

Carry the 1 on the 10

Add 100, 100, and 100 (From the 10)

100
100
+100
--------

Add 300, 0, and 0.

300
0
+ 0
---------

The answer is 300.

Answer 2

Your answer will come to a sum of 300