Robin Hood was trying to see how far he could shoot an arrow in a field. He fired it and then had Little John guess how far it was. Little John guessed that he shot it 75 feet. When they measured it out, it was actually 100 feet. What was the absolute error of Little John's guess?

25%

-25%

25 feet

-25 feet

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

How many zeroes do we write when we write all the integers 1 to 243 in base 3?

Students are getting signatures for a petition to increase sports activities at the community center. the number of signatures they get each day is 3 times as many as the day before. the expression 3^6 represents the number of signatures they got on the sixth day. how many signatures did they get on the first day?