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Given:
The number of 100.
To find:
The given number as an exponential expression with 10 as the base.
Solution:
We have,
Given number = 100
It can be written as
Here, base is 10 and exponent is 2.
Therefore, the given number can be written as .
Surface area of cylinder is given by area of circle + area of the rectangle that curved around the cylinder
Area of the base of the cylinder =
Area of the cylinder 'wall' = width × length =
×
=×
=
Note that the wall of the cylinder is in the shape of a rectangle. The width of the rectangle is the height of the cylinder. The length of the rectangle is the circumference of the circle base.
Surface area of cone is given by
where 
is the slanted height of the cone
SA of cone =
Hence total painted surface area is
Area of the base of the cylinder =
Area of the cylinder 'wall' = width × length =
Note that the wall of the cylinder is in the shape of a rectangle. The width of the rectangle is the height of the cylinder. The length of the rectangle is the circumference of the circle base.
Surface area of cone is given by
SA of cone =
Hence total painted surface area is