do chieu dai cua mot soi day duoc 3m va 27cm hay viet so do do dai cua soi day co dang don vi la ;xang ti met ;de xi met ;met

mot soi day dai 2m 35cm . hay viet so do do dai cua soi day duoi dang so do co don vi la : cm,dm,m

Viet so do 20,45m3 duoi dang so do la xang ti met khoi 

Viet so do 570000cm3 duoi dang so do De xi met khoi

mot soi day thep dai 1,68 m duoc uon thanh hinh chu nhat co chieu rong la 34 cm . tinh chieu dai hinh chu nhat do theo don vi met.

mot nguoi son tuong cua mot can phong hinh hop chu nhat co chieu dai 16 m, chieu rong 3m, chieu cao 4.8 m. Biet son moi met vuong tuong nguoi do nhan duoc 80000 dong tien cong va son moi met vuong tran nguoi do duoc nhan 100000 dong tien cong. Hoi sau khi son xong ca tuong va tran cua can phong thi nguoi tho nhan duoc so tien la

Chieu dai mot khu cho do duoc la 128,5 m. Tren ban do ti le 1:5000, chieu dai khu cho do duoc ve dai bao nhieu xang - ti - met 

chieu dai mot khu cho do duoc la 128,5m.Tren ban do ti le 1:5000,chieu dai khu cho do ve duoc dai bao nhieu xang-ti-met

mot khu dat hinh chu nhat co chieu dai gap 5 lan chieu rong biet rang chieu rong la so co chu so voi don vi do la met va khi viet them chu so 1 vao ben trai thi duoc chieu dai tinh dien tich khu dat do

Ban Hien lam mot cai hop dang hinh hop chu nhat bang bia co chieu  dai 25cm, chieu rong 12cm va chieu cao 10cm.

a) Tinh the tich cai hop do .

b) Neu  dan giay mau tat ca cac mat ngoai cua hop do thi ban Hien can dung bao nhieu xang-ti-met vuong giay mau?