# Questions tagged [significant-figures]

For questions regarding the digits of a number used to express it to a particular degree of accuracy.

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### Percent error and significant figures?

For an elementary chemistry class percent error is calculated as: [actual-experimental]/actual x 100% edit:bracket represents absolute value So my question is if the experimental is close enough to ...
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### How determine the number of significant figures of a feet/inch system?

How many significant figures are there in $5~\mathrm{ft}\ 10~\mathrm{in}$. I know that $5~\mathrm{ft}\ 10~\mathrm{in}= 5.8\bar{3}~\mathrm{ft}=70~\mathrm{in}$, so I am not sure exactly how much ...
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### How to recognise the significant figures in given input values for the calculated output value?

If the transfer of $1~\mathrm{kJ}$ of energy to a quantity of water causes its temperature to rise $10~^\circ\mathrm{C}$, what is the mass of the water? I know how to do the math and everything but I'...