Mark and jon each decide to start saving money. mark has $150 dollars and
plans on putting $20.00 in his account each month. jon is a little of a
procrastinator. he has only $100 but plans on putting $25 in his account after
the first month. after 8 months who has saved more and by how much?

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?