Amusic club offers 7 cds for $24.00 to new members. the usual price for cds is $12.00 each. if maria joins the club and gets her 7 cds at the discounted price instead of buying them individually, how much is her total savings?

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?