How do you use place value to round 286 to nearest 10?

Where are the seven deadly sins in the bible? What does DEEF represent? What does 18 multiplied by 3 divided 3 to the exponent 3 equal? What goes into 36 and 96? What is 27.7083333333 rounded? How do you write 313 billion? Are 0.3 and 0.45 equivalent? What two lines that lie in the same plane and are always the same distance apart? How can bullying and cyber-bullying cause depression? Make five sentence with accept? How many microns are in 1 centermiter? How many degrees is 2 and1-3 of a quarter of rotation? What is the sum of a 41-gon? What do you call a person who studies people's ways? How do you spell Zachary in Chinese? Triangle EFG has angles whose measures are in the ratio 2 4 9 What are the measures of the angles? What does AWG 15-12 mean? What is 2.97 in fraction form? What two numbers equal to 0.75? What is a reaonable estimate of the sum18759 31044?