Mathematics · Oct / Nov 2025 · Paper 21 · Question 15
0580
As printed in the paper
Show the answer and mark scheme
15(a)[1]
6.6 × 104 [1]
15(b)[2]
4.07 × 108 x ⩽ 2.5 [2]
M1 for figs 407 or for 0.37 × 108 or 37 × 107 or 107(3.7 × 10 + 3.7) or 108(3.7+ 3.7 ÷ 10) oe x < 2.5 y ⩾ 3 y < 4 y < 2x
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