Higher November 2021 Paper 3 Q3
3
(a) Write \(4.5 \times 10^5\) as an ordinary number. (1)
(b) Write 0.007 in standard form. (1)
(c) Work out \(4.2 \times 10^3 + 5.3 \times 10^2\)
Give your answer in standard form. (2)
Give your answer in standard form. (2)
| Answer | Mark | Mark scheme |
|---|---|---|
| 450 000 | B1 | cao |
| Answer | Mark | Mark scheme |
|---|---|---|
| \(7 \times 10^{-3}\) | B1 | cao |
| Answer | Mark | Mark scheme |
|---|---|---|
| \(4.73 \times 10^3\) | M1 | for 4730 oe or for \(4.73 \times 10^n\) where \(n \neq 3\) |
| A1 | cao |