Physics - Error Question with Solution | TestHub

$343\mathrm{g}$, $2.20$ and $0.0145\mathrm{m}$ each have three significant figures.

$1.103\mathrm{N}$, $0.4142\mathrm{s}$ and $1.124\times 10^{-3}\mathrm{V}$ each have four significant figures.

$1.0080\mathrm{V}$ has five significant figures and $9.1\times 10^4\mathrm{km}$ has two.

$0.0145\mathrm{m}$ has five significant figures.