Respuesta :
Answer:
[tex]3.201[/tex] has 4 significant figures
[tex]0.019[/tex] has 2 significant figures
[tex]0.680[/tex] has 3 significant figures
Step-by-step explanation:
[tex]3.201[/tex] has 4 significant figures
We start counting from the first significant number which is 3.
We need to count the zero as well because it appears after a significant number.
[tex]0.019[/tex] has 2 significant figures
We start counting from the first significant number which is 1.
[tex]0.680[/tex] has 3 significant figures.
The first significant number here is 6.