e
what is 10+10
what is 100+100+
200
1000+1000
2000
100,000+100,000=
200,000
what is 20+20=
40
200+200+
400
3000+3000=
6000
400,000+400,000=
800,000
what is 40+40=
80
450+450+
900
8000+8000=
16,000
80+80=
160
560+560=
1120
7000+7000=
14,000
160+160
320
340+340=
680
1020+1020=
2040