iketahui 10 siswa mengikuti suatu ujian. jika skor maksimum tidak diperhitungkan, rata rata nilai mereka adalah 6,5. Jika skor minimum tidak diperhitungkan, rata rata nilai mereka adalah 7,3. Tentukan nilai Rentang (range) mereka​

Maryann’s friends loved her bulletin board, and 4 of them asked her to make one for their homes. she offered to make each of her friends a replica of her bulletin board that measures 2 meters by 3 meters. how many kilograms of burlap should maryann collect to complete the bulletin boards for her friends? maryann should collect kg of burlap.