Answer:
C. 0.00033 L.
Explanation:
A. 0.00300 L:
It has 3 significant figures that are in bold (0.00300 L).
3 is a significant figure (Nos. from 1 to 9 are considered to be significant numbers).
Zeros to the right of (Nos. from 1 to 9) are countable as significant Nos. if there is a decimal point.
So, It has 3 significant figures.
B. 0.00303 L:
It has 3 significant figures that are in bold (0.00303 L).
3 is a significant figure (Nos. from 1 to 9 are considered to be significant numbers).
Zeros between (Nos. from 1 to 9) are countable as significant Nos.
So, It has 3 significant figures.
C. 0.00033 L:
It has 2 significant figures that are in bold (0.00033 L).
3 is a significant figure (Nos. from 1 to 9 are considered to be significant numbers).
Zeros to the left of (Nos. from 1 to 9) are not countable as significant Nos.
So, It has 2 significant figures.
D. 0.00330 L:
It has 3 significant figures that are in bold (0.00330 L).
3 is a significant figure (Nos. from 1 to 9 are considered to be significant numbers).
Zeros to the right of (Nos. from 1 to 9) are countable as significant Nos. if there is a decimal point.
So, It has 3 significant figures.
So, the right choice is: C. 0.00033 L.
