Foundation June 2024 Paper 3 Q23
23
(a)
(i) Write \(\ 5.3 \times 10^4\ \) as an ordinary number. (1)
(ii) Write \(\ 7.4 \times 10^{-5}\ \) as an ordinary number. (1)
(b) Calculate the value of \(\quad 9.7 \times 10^6 + 2.45 \times 10^7\)
Give your answer in standard form. (2)
Give your answer in standard form. (2)
| Answer | Mark | Mark scheme |
|---|---|---|
| 53 000 | B1 | cao |
| Answer | Mark | Mark scheme |
|---|---|---|
| 0.000 074 | B1 | cao |
| Answer | Mark | Mark scheme |
|---|---|---|
| \(3.42 \times 10^7\) | M1 | for \(9\,700\,000 + 24\,500\,000\ (= 34\,200\,000)\) or \(3.42 \times 10^n\ (n \ne 7)\) oe or \(3.4 \times 10^7\) or correct answer in incorrect form eg \(34.2 \times 10^6\) or both in a form ready for addition, eg \(9.7 \times 10^6 + 24.5 \times 10^6\) |
| A1 | cao |