Question

How many significant figures does 0.4500 and 0.0045 have and why?

Answer 1

Answer:

the 0.4500 has 4 significant figures

the 0.0045 has 2 significant figures

Answer 2

Answer:

0.4500 has 4 significant

and

0.0045 has 2 significant

Explanation:

as the zeros on the left side of any numbers are not significant

but the zeros on the right side of number are significant