Respuesta :
Answer:
0.0002
Step-by-step explanation:
0.00021 is a 2 significant figure .after the decimal point the zero can be counted as a significant figure or not ,it depends
Answer:
0.0002.
Step-by-step explanation:
The first significant figure is 2 and since 1 is the second significant figure ( 1 is < 5) the 2 is retained.