What is 7.87 rounded to the nearest tenth
Answers
Answer 1
Answer:
It would be 7.9 because 7 is above 5 and therefore rounds up
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b. 1256 mm3
c. 150,720 mm3
d. 12,000 mm3
Answers
Answer: a.
Step-by-step explanation:
We know that the volume of a cylinder is given by :-
, where r is radius and h is height of the cylinder.
Given: The diameter of cylinder = 40 mm
The radius of cylinder =
The height of cylinder = 30 mm
Then , the volume of the cylinder will be :-
Hence, the volume of the cylinder =
Volume = Area * height
= (pi/4)*D^2 * h
= (pi/4)*(40)^2 * 30
= 37,680 mm3
so, the answer is (a)
= (pi/4)*D^2 * h
= (pi/4)*(40)^2 * 30
= 37,680 mm3
so, the answer is (a)
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