Significant Figures: Counting on 5.400 and the Role of Zeroes

[Muhammad Danish]

Homework Statement

Number of significant figures on 5.400 are?

Homework Equations

Does the 0s after 4 count as significant figures?

The Attempt at a Solution

4 ?

 

[kuruman]

https://en.wikipedia.org/wiki/Significant_figures

 

[jishnu]

The trailing zeros are significant as it gives the precision of the measuring instrument so I am sure that your answer is correct

 

[symbolipoint]

If only two significant figures were the given number, then this could be emphasised using scientific notation:
5.4x10⁰ or by just writing without the place-holder zeros, as 5.4.