1 10 to the power of negative 2 July 8, 2019 16 32 64 128 1 times 10 to the power of negative 2 1 x 10 to the power of negative 2 2.5 times 10 to the power of negative 1 To the power of a negative number 10 to the power of negative 1 10 to the power of negative 2 10 to the negative second power