Operations with decimals

7. Compute

0,45 : 3,75    

13,6 · 0,32

56 · 0,2004 

 1,05 : 7,5 

3,375 : 0,45

4000 · 0,0099

 1,2 · 2,5

96,048 : 12

21 · 16,06

                          

 

8. Draw a ray with the beginning-point O. For the mapping-unit take 1 cm, that equals to 10 units. On the ray mark points K, L, M and N when OK = 20 cm and LN = 40 cm.