101.011
1 * 2^0 = 1 1 * 2^1 = 2 0 * 2^2 = 0 1 * 2^3 = 8 0 * 2^4 = 0 1 * 2^5 = 32
1 + 2 + 0 + 8 + 0 + 32 = 43
1 * 2^0 = 1 1 * 2^1 = 2 1 * 2^2 = 4
1 + 2 + 4 = 7
to check here