Answer: 
Step-by-step explanation:

Answer:
3 7/10 = 37/10
Step-by-step explanation:
Answer:
20%decrease
Step-by-step explanation:
sorry I'm bad at explaining things
Answer:
a: 300cm
b: 7m
c 450cm
d: 95 m
Step-by-step explanation:
if the given value is in meters multiply by 100
if the given value is in cm divide by 100