Convert the base-ten number to a numeral in the indicated base.

Question

15 to base two

Answer 1

15 = 3(4) + 1(2) + 1
= 3(2)^2 + 1(2) + 1
= 8 + 4 + 2 + 1
= 1(2)^3 + 1(2)^2 + 1(2) + 1
= 1111₂₍