Intermediate June 2023 Unit 1 Q19
19.
(a) Express 0·0076 in standard form. [1]
(b) Calculate the value of \((3 \times 10^{17}) \times (2 \times 10^{-12})\).
Give your answer in standard form. [1]
Give your answer in standard form. [1]
(c) Calculate the value of \((2{\cdot}3 \times 10^4) + (5 \times 10^3)\).
Give your answer in standard form. [2]
Give your answer in standard form. [2]
| Scheme | Marks | Comments |
|---|---|---|
| \(7{\cdot}6 \times 10^{-3}\) | B1 |
| Scheme | Marks | Comments |
|---|---|---|
| \(6 \times 10^5\) | B1 |
| Scheme | Marks | Comments |
|---|---|---|
| \(2{\cdot}8 \times 10^4\) | B2 | Mark final answer. Award B1 for one of the following:
|