It shows to what power 2 is raised to establish value and the decimal number system equivalent of each place. Each place value position has a value 2 times that of the position to its right. Remember, when writing binary numbers and placing digits in positions of place value, the only digits available are 0 and 1. To exceed 1, the place value is reset to 0 and a 1 is placed in the next place value column to the left.