1111101001 = 1 * 2⁹ + 1 * 2⁸ + 1 * 2⁷ + 1 * 2⁶ + 1 * 2⁵ + 0 * 2⁴ + 1 * 2³ + 0 * 2² + 0 * 2¹ + 1 * 2⁰ = 512 + 256 + 128 + 64 + 32 + 0 + 8 + 0 + 0 + 1 = 1001
1111101001 = 1 * 2⁹ + 1 * 2⁸ + 1 * 2⁷ + 1 * 2⁶ + 1 * 2⁵ + 0 * 2⁴ + 1 * 2³ + 0 * 2² + 0 * 2¹ + 1 * 2⁰ = 512 + 256 + 128 + 64 + 32 + 0 + 8 + 0 + 0 + 1 = 1001