Answer:
750 mm
Step-by-step explanation:
You multiply 150 mm by 5 mm because 5 mm is equal to half a cm. The answers 750mm
The first one of 23 centimeters squared
The second is 48 centimeters squared.
sorry if it's wrong, my mental math isn't spot on
0.04 kilometers
I would love to help but I don't know I'm so sorry
