Respuesta :

3 significant figures.

Hope I helped! ( Smiles )

Answer:

The significant number of 2,090 is 3

C is correct

Step-by-step explanation:

We have a number 2,090

We need to count significant number from 2,090

Rule to find significant number:

1) zero before decimal not count (0.0205) significant figure = 3

2) last zero not count for number (2050 ) significant figure = 3

For given number:

2,090 : Significant number is 3 ( we will not count zero after 9 )

Hence, The significant number of 2,090 is 3