Concept:Significant figures count every non-zero digit and any zero that is between non-zero digits or after the decimal point in a decimal number.Explanation:Write the given number as 302.10495.Identify the first five significant figures: 3,0,2,1,0.This gives the base value 302.10.Look at the next digit after these five figures, which is 4.Since 4<5, we do not round up.Therefore, the number stays as 302.10.Answer:302.10