To calculate the upper bound for the total number of eggs all the hens lay in that year, we need to multiply the number of hens by the mean number of eggs laid per hen.
Number of hens: 500 (correct to the nearest 10)
Mean number of eggs laid per hen: 320 (correct to the nearest 20)
Upper bound for the total number of eggs = Number of hens * Mean number of eggs laid per hen
Upper bound for the total number of eggs = 500 * 320
Upper bound for the total number of eggs = 160,000
Therefore, the upper bound for the total number of eggs all the hens lay in that year is 160,000.
(c) On a farm, there are 500 hens, correct to the nearest 10. (i) In one year, the mean number of eggs laid per hen was 320 eggs, correct to the nearest 20. Calculate the upper bound for the total number of eggs all the hens lay in that year.
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