Question

Convert 1111two to base ten

Answer 1

What base is it in now?

Answer 2

this is

\[1 \times 2^3 + 1 \times 2^2 + 1 \times 2^1 + 1 \times 2^0 =\]

just evaluate

Answer 3

so is 15 the answer or is it the way you wrote it out

Answer 4

i don't really understand

Answer 5

ok... out number system is