Mathematics · May / June 2023 · Paper 21 · Question 4
0580
As printed in the paper
The question as text
By writing each number in the calculation correct to 1 significant figure, work out an estimate for the value of . . . 18 5 9 6 7 2 1 # - . You must show all your working. [2]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
× 7 2 − 20 6 1 nfww [2]
M1 A1 If 0 scored
SC1 for 3 correct roundings or for all correct but with any trailing zeros
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