Daily Practice · Higher

Daily Practice - Higher

10th March 1994

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Standard Form2 marks
Work out (9 x 10^7) x (5 x 10^4). Give your answer in standard form.
2
Trigonometric and Exponential Graphs2 marks
The curve y = 2^x is drawn. Work out y when x = 4, and write down where the curve crosses the y-axis.
3
Repeated Percentage Change3 marks
A town's population is 32500 and grows by 5% each year. Work out the population after 2 years, to the nearest whole number.
4
Vectors3 marks
a is the column vector (-5, -1) and b is (-6, 2). Work out 2a - 3b as a column vector.
5
Probability Trees3 marks
4 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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