4MA0 Higher June 2015 Paper 3R Q13
13 The table shows information about the oil production, in barrels per day, of five countries during one year.
| Country | Oil production (barrels per day) |
|---|---|
| India | \(8.97 \times 10^5\) |
| Brazil | \(2.63 \times 10^6\) |
| United States | \(8.4 \times 10^6\) |
| Russia | \(1.09 \times 10^7\) |
| Saudi Arabia | \(9.9 \times 10^6\) |
(a) Which country had the highest oil production? (1)
(b) Calculate the difference between the oil production of Brazil and the oil production of India.
Give your answer in standard form. (2)
Give your answer in standard form. (2)
During the same year, the oil production of California was \(6.3 \times 10^5\) barrels per day.
(c) Work out the oil production of California as a proportion of the oil production of the United States. (2)
| Scheme | Marks |
|---|---|
| Russia | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \((2.63 \times 10^6) - (8.97 \times 10^5)\) or 1733(000) oe | M1 |
| \(1.733 \times 10^6\) | A1 |
| (2) |
Notes
M1: condone missing brackets
A1: Accept \(1.73 \times 10^6\)
| Scheme | Marks |
|---|---|
| \((6.3 \times 10^5) \div (8.4 \times 10^6)\) | M1 |
| 7.5% oe | A1 |
| (2) |
Notes
A1: accept percentage, fraction, decimal or ratio
eg. \(\dfrac{3}{40}\) or 0.075 or 3 : 37
SC: B1 for a ratio of 3 : 40 oe