A pump transfers 2.4 × 105 cm3 of water in 0.50 h. What is the mean volume transferred each second, in cubic metres, to two significant figures?
1.3×10−4 m3/s1.3\times10^{-4}\ \mathrm{m^3/s}1.3×10−4 m3/s
8.0×10−3 m3/s8.0\times10^{-3}\ \mathrm{m^3/s}8.0×10−3 m3/s
4.8×10−1 m3/s4.8\times10^{-1}\ \mathrm{m^3/s}4.8×10−1 m3/s
1.3×10−1 m3/s1.3\times10^{-1}\ \mathrm{m^3/s}1.3×10−1 m3/s
39 exam-style questions on Edexcel GCSE Physics 1.1 Units and quantities, covering 1.1.1 SI units for physical quantities and 1.1.2 Unit prefixes, conversions, significant figures and standard form. Each one has a worked solution and a mark scheme showing where the marks go.