Physics

Problem

The speed of a spacecraft is recorded as

9.96\times10^{4}\,\text{m\,s}^{-1}

. Report this speed to two significant figures. a)

1.00\times10^{5}\,\text{m\,s}^{-1}

9.9\times10^{4}\,\text{m\,s}^{-1}

1.0\times10^{5}\,\text{m\,s}^{-1}

10\times10^{4}\,\text{m\,s}^{-1}