0.0064^-1over3

To calculate 0.0064^-1/3, you need to first find the reciprocal of 0.0064, which is 1/0.0064 or 156.25.

Next, you need to find the cube root of 156.25, which is approximately 5.

Therefore, 0.0064^-1/3 is equal to 1/5 or 0.2.