Answer:
87 + 8r
Step-by-step explanation:
We have a variable that we cannot simplify further:
8r
But we have two numbers that we can simplify:
94 - 7 = 87
Then we add those together:
8r+87
Answer:
5000kg/m3
Step-by-step explanation:
Its easy to get the answer of a question from the unit.
So, it will be mass over metre cube.
Therefore, m=40kg x= (0. 2)^3 =0. 008m
40/0. 008 = 5000kg/m^3
The answer should be 1 3/8