A scientist uses an electron microscope to look at tiny structures called stereocillia, which sits in top of hair cells. The dia
1 answer:
Answer:
<h2>2.5*10^0</h2>Step-by-step explanation:
To write a number in scientific notation or standard form we write the number and multiply it by 10 to the power of any number
The proper format for scientific notation is a x 10^b and it is read "a times 10 to the power of b"
Given the diameter of 2.5
in standard form or scientific notation is
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Answer:
Dimension of the box is
The volume of the box is 280.05 in³.
Step-by-step explanation:
Given : The open rectangular box of maximum volume that can be made from a sheet of cardboard 21 in. by 12 in. by cutting congruent squares from the corners and folding up the sides.
To find : The dimensions and the volume of the box?
Solution :
Let h be the height of the box which is the side length of a corner square.
According to question,
A sheet of cardboard 21 in. by 12 in. by cutting congruent squares from the corners and folding up the sides.
The length of the box is
The width of the box is
The volume of the box is
To maximize the volume we find derivative of volume and put it to zero.
Solving by quadratic formula,
Now, substitute the value of h in the volume,
When, h=2.45
When, h=8.54
Rejecting the negative volume as it is not possible.
Therefore, The volume of the box is 280.05 in³.
The dimension of the box is
The height of the box is h=2.45
The length of the box is
The width of the box is
So, Dimension of the box is