Answer:
i dont know sorry
Step-by-step explanation:
To find a number between both decimals, what you can do is take the average of both numbers.
We have then:

Rewriting we have:

Therefore, the decimal obtained is a number between 0.4 and 0.5
Answer:
a decimal between 0.4 and 0.5 is:

Answer:
C
Step-by-step explanation:
Midpoint is like average, so 0+20 (the x-coordinates) = 20, then divide it by 2 to get the midpoint.
I hope this helped, and please mark this as brainliest!