Daily Practice - Higher
16th February 1994
- 1Speed and Density2 marks
A block has volume 40 cm^3 and density 3 g/cm^3. Work out its mass.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -3. Work out the gradient of a line perpendicular to it.
- 3Conditional Probability3 marks
16 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 11, 7, 9, 4. Write down the cumulative frequency at the end of the third class.
- 5Standard Form2 marks
Work out (8 x 10^4) x (7 x 10^-3). Give your answer in standard form.
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