Answer:
Deci (símbolo d) es un prefijo del Sistema Internacional que indica un factor de 10−1 (1/10) o una décima parte.
Answer:

Step-by-step explanation:
When you have something like that, just think that the first number goes on top and the second number goes on bottom.
Answer:
Step-by-step explanation:
The radius times pie equals the circumference. keep that in mind
Answer:
1/4
Step-by-step explanation:
0.25 is 1/4 of a whole use quarters for example