Higher June 2024 Paper 2 Q9
9 A number \(N\) is rounded to 2 significant figures.
The result is 7.3
(a) Write down the least possible value of \(N\). (1)
Leila says,
“The value of \(N\) cannot be greater than 7.349 because 7.350 would round up to 7.4”
(b) Is Leila correct?
You must give a reason for your answer. (1)
You must give a reason for your answer. (1)
| Answer | Mark | Mark scheme |
|---|---|---|
| 7.25 | B1 | oe |
| Answer | Mark | Mark scheme |
|---|---|---|
| No with supporting reason | C1 | No with supporting reason Acceptable reasons: No, the 9 should be recurring No, 7.3491 is greater No, there are numbers between 7.349 and 7.350 Not acceptable reasons: Yes with any reason given Leila is correct … 7.350 would round down She has rounded to 3sf and should only round to 2sf 7.349 rounds to 7.4 |