Mathematics · Oct / Nov 2023 · Paper 21 · Question 13
0580
As printed in the paper
The question as text
At the end of 2021 there were 27 000 rhinos living in the wild. The number of rhinos is expected to decrease exponentially by 3% each year. Work out the number of rhinos expected to be living in the wild 4 years later, at the end of 2025. Give your answer correct to the nearest whole number. [3]
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23 903 cao [3]
B2 for answer 23900, 23902, 23902.9… or 23 903 seen then rounded OR 4 3
M1 for 27 000 × − 1 100 oe
B1 for their more accurate value seen and correctly rounded to the nearest whole number
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