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.
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Similar Questions
For the four sets of three measured physical quantities as given below,which of the following options is correct?
$(i)$ $A_{1}=24.36, B_{1}=0.0724, C_{1}=256.2$
$(ii)$ $A_{2}=24.44, B_{2}=16.082, C_{2}=240.2$
$(iii)$ $A_{3}=25.2, B_{3}=19.2812, C_{3}=236.183$
$(iv)$ $A_{4}=25, B_{4}=236.191, C_{4}=19.5$
$(i)$ $A_{1}=24.36, B_{1}=0.0724, C_{1}=256.2$
$(ii)$ $A_{2}=24.44, B_{2}=16.082, C_{2}=240.2$
$(iii)$ $A_{3}=25.2, B_{3}=19.2812, C_{3}=236.183$
$(iv)$ $A_{4}=25, B_{4}=236.191, C_{4}=19.5$
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