Answer:
0.02
430
604
70,230
Explanation:
⇒zero in-between two digits or at the end of a whole is considered significant, example 604, 430, 70,230.
⇒zero at the end of a number with decimal point is not significant, example 7.560
⇒ zero before a digit in a number with decimal point is significant, example 0.02
Thus, the numbers which show zero as a significant digits include;
0.02
430
604
70,230