What is a significant number? What is a significant digit?
(N/A) significant number refers to a number that expresses the precision of a measurement. It includes all the digits that are known with certainty plus the first digit that is uncertain.
$A$ significant digit (or significant figure) is any of the digits in a number that contribute to its degree of accuracy. These include all non-zero digits,zeros between non-zero digits,and trailing zeros in a decimal number. Leading zeros are not considered significant.
$A$ significant digit (or significant figure) is any of the digits in a number that contribute to its degree of accuracy. These include all non-zero digits,zeros between non-zero digits,and trailing zeros in a decimal number. Leading zeros are not considered significant.
Explore More
Similar Questions
The length,breadth,and thickness of a block are given by $l = 12 \, cm$,$b = 6 \, cm$,and $t = 2.45 \, cm$. The volume of the block according to the rules of significant figures should be:
Medium
View SolutionLength,breadth,and thickness of a strip having a uniform cross-section are measured to be $10.5 \ cm$,$0.05 \ mm$,and $6.0 \ \mu m$,respectively. Which of the following option$(s)$ give$(s)$ the volume of the strip in $cm^3$ with correct significant figures?
MediumIIT 2025
View SolutionThe radius of a circle is $2.12 \ m$. Its area according to the rule of significant figures is ......... $m^2$.
Easy
View Solution$Assertion$ : The number of significant figures depends on the least count of the measuring instrument.
$Reason$ : Significant figures define the accuracy of the measuring instrument.
$Reason$ : Significant figures define the accuracy of the measuring instrument.
The number of significant figures in $4.870 \ m$ is
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo