Foundation November 2018 Paper 2 Q27
27
(a) Write the number 0.000 075 47 in standard form. (1)
(b) Write \(3.42 \times 10^4\) as an ordinary number. (1)
(c) Work out \(\dfrac{2.3 \times 10^4 \times 6.7 \times 10^3}{5 \times 10^{-8}}\) (2)
| Answer | Mark | Mark scheme |
|---|---|---|
| \(7.547 \times 10^{-5}\) | B1 | cao |
| Answer | Mark | Mark scheme |
|---|---|---|
| 34200 | B1 | cao |
| Answer | Mark | Mark scheme |
|---|---|---|
| \(3.082 \times 10^{15}\) | M1 | for \(\dfrac{23000 \times 6700}{0.00000005}\) OR for one calculation eg \(1.541 \times 10^8\) or 154 100 000 or \(4.6 \times 10^{11}\) or \(1.34 \times 10^{11}\) |
| A1 | for \(3.082 \times 10^{15}\) oe |
Additional guidance
Answer could be given as an ordinary number.