Question

The newspaper stated that 2500 people attended a protest march in Paris. If this figure had been rounded to two significant figures, what was the largest number of people that could have attended the protest?

Answer 1

Answer:

round off to two significant figure.i.e. round off to tens

round off to nearest 10 of 2500 = 2500

so, 2500 is the largest number of people that could have attended the protest.