Mathematics · May / June 2022 · Paper 42 · Question 6
0580
As printed in the paper
Show the answer and mark scheme
6(a)[2]
42 028 [2]
M1 for 380 500 oe soi isw
6(b)[4]
47 66 oe [4]
0.712[1…] 5 4 4 3 5 3 × + × + ×
M3 for 2 2 2 12 11 12 11 12 11 oe 5 4 4 3 3 2 × + × + × or 1 – oe 12 11 12 11 12 11
or M2 for sum of 3 or more correct product pairs and no incorrect pairs or for 5 4 4 3 3 2 × + × + × and no other 12 11 12 11 12 11 pairs k j seen ×
or M1 for 12 11 If 0 scored
SC1 for answer 94 144 oe
6(c)[2]
52 [1]
− 2
M1 for 100 16 × = x 43.68 oe or better 100
6(d)(i)[3]
70 or 70.16[5…] or 70.17 or 70.2 [3]
M2 for 29750 to 29800 or 29750 to 29800 or + + 400 25 400 24 29800 − 50 400to425
or B1 for 29 750 or 29 850 or 29 849 or 375 or 425 or 424 seen
6(d)(ii)[2]
2399 or 2400 nfww [2]
B1 for 27 450 or 27 550 or 27 549 or 29 850 or 29 849 seen
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