math adding help me

Question

what is 1+1

Answer 1

1+1 = 2 in the decimal system and in any base number systerm, greater than 2, except binary

in binary 1+1 + 10. In binary there are only 2 digits, 0 and 1

in binary

convert decimal integers to binary

0=0

1=1

2=10

3=11

4=100

5=101

6= 110

7= 111

8 =1000