7. Mr. Jamison, an art teacher, would like to purchase enough supplies to get the class
stocked. He picks up 8 dozen sketch pencils, 6
dozen colored pencils, and 3 dozen art gum
erasers. If the sales tax rate is 8%,
approximately what will his bill be?

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?