Question

1. How many significant figures: 216 m
2. how many significant figures: 2016 m
3.how many significant figures:153.0 mL
4. how many significant figures:0.012 km
5.how many significant figures:1000 mL
6.how many significant figures:4.20 cm
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Answer 1

Answer:

sorry I don't know this

Step-by-step explanation:

really sorry

Answer 2

Answer:

54,050 has four significant figures :

(1) All non zero digits, as well as the zeros, present between the non zero digits are significant.

(2) Zeros at the end of a number without a decimal are not counted as significant figures.

Hence the correct option is C.