Based on the pattern in the table, what is the value of a? Powers of 2 Value 2 inverse 1 half 2 to the negative 2 power 1 fourth 2 to the negative 3 power 1 eighth 2 to the negative 4 power 1 over 16 2 to the negative 5 power 1 over 32 2 to the negative 6 power A