Answer:
Step-by-step explanation:
Given
There are 120 Pianist in a competition
(a)In first round 30 pianist is selected
this can be done in 
(b)In the second round 5 pianist is selected out of 30
this can be doe by 
the answer is 235 cubic meters
Answer:
scientific method
The scientific method is a process used by scientists to study the world around them. It can also be used to test whether any statement is accurate. ... A good scientist would then come up with an experiment to test whether the statement was accurate. BOOM! It's the scientific method in action.
.4=2/5
80=2
X =5
2x=400
X=200
