Answer:
They want you to write 1/100 using a negative exponent other than -1. 10 is the square root of 100, because 10 x 10 is 100. A negative number times a negative number is a positive number. So, 10^-2 is the same as -10 x -10, which is equal to 100.
10^-2
= -10 x -10
= 100