**Helpful Links**Question**

15)

Jenny is asked to find the value of 12 – 2 × 4

Here is her working.

Jenny is asked to find the value of 12 – 2 × 4

Here is her working.

12 – 2 × 4 = 10 × 4 = 40

Jenny’s answer is wrong.

a) Explain what Jenny has done wrong.

a) Explain what Jenny has done wrong.

**[1 mark]**

Rehan is asked to find the range of the numbers

3 1 8 7 5

Here is his working

Range = 5 – 3 = 2

This is wrong.

b) Explain why.

**[1 mark]**