30 points. with answer. dont know how this works

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?