_____ is considered a significant digit when it is to the left or the right of the decimal point and it follows a non-zero digit, or when it is betwee two digits.

Respuesta :

Answer:

Zero (0)

Explanation:

Zero is only counted significant in some cases, and some of those are listed in the question.

For eg, 0.0003 (here 0 is insignificant), however, 3000.003 (here all 0's are significant)