1) Estimate the number of birds in the flock a) more than 10 b) almost 100 c) more than 100 2) Estimate the n umber of apples a) less than 10 b) around 30  c) more than 50 3) Estimate the number of balls a) less than 100 b) more than 100 c) more than 50 4) Estimate the number of people in this crowd a) more than 1000 b) almost 100 c) less than 100

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