Daily Practice · Higher

Daily Practice - Higher

29th January 1997

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Standard Form2 marks
Work out (3 x 10^5) x (5 x 10^3). Give your answer in standard form.
2
Trigonometric and Exponential Graphs2 marks
The curve y = 2^x is drawn. Work out y when x = 2, and write down where the curve crosses the y-axis.
3
Speed and Density2 marks
A block has volume 55 cm^3 and density 8 g/cm^3. Work out its mass.
4
Vectors3 marks
a is the column vector (-1, -2) and b is (0, -4). Work out 3a - 5b as a column vector.
5
Probability Trees3 marks
3 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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