Question

Round to 3 significant figures.
21.4501

Answer 1

Answer: 21.5

Step-by-step explanation:

This is easy

Answer 2

21.5

Step-by-step explanation:

3 Significant Figures is just another way of saying the three digits to the left and nothing else. thus, everything after the 4 is obselete, with the 4 being rounded up as it is followed by a five