Respuesta :
0.00047 has only 2 significant figures
because the 0's before the 47 and before the decimal point do not count as significant figures.
If it was 0.0004700
This would have 4 significant figures
because the 0's before the 47 and before the decimal point do not count as significant figures.
If it was 0.0004700
This would have 4 significant figures