Step-by-step explanation:
you do know that 1 cm = 10 mm, right ?
so,
6 cm = 6×1 cm = 6×10 mm = 60 mm
and that is the ultra-ultra long form of doing this ...
Answer:

Step-by-step explanation:




Answer:
2-4.5×3+8=-3.8
-3.8÷7=-0.5
Step-by-step explanation:
Answer:
I think its 21.34 sorry if i am wrong