Question

In base four add the numbers 20 and 13

Answer 1

so base 4 uses digits 0, 1,2 ,3 and powers of 4

\[20 = 1 \times 4^2 +1 \times 4^1 + 0 \times 4^0\]

so in when 20 is changed to base 4 it is 110

Answer 2

same idea for 13... I'll let you try

Answer 3

then when you add the 2 numbers... you carry 1 for a number larger than 4

Answer 4

31

Answer 5

yep... so now you need to add