Mathematics · May / June 2025 · Paper 22 · Question 11
0580
As printed in the paper
Show the answer and mark scheme
11(a)[1]
7.08 × 10–3 cao [1]
11(b)[2]
4.18 × 1023 cao [2]
B1 for figs 418
or M1 for 0.38 × 1023 or 38 × 1022 or 1022(3.8 + 3.8 × 10) or 1023(3.8 ÷ 10 + 3.8) oe
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