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I think it’s .75¢ because $6.75 + $2.50 = $9.25
It takes 1.7 x 10 ^4 for light from the sun to reach the comet.
<h3>How do scientific notations work?</h3>
The number is written in the form
where we have 
Scientific notations have some of the profits as:
Better readability due to compact representation
Its value in terms of the power of 10 is known, which helps in the easy comparison of quantities differing by a large value.
A comet is about
km from the sun.
Light travels at about
km per second.
= 
Hence, It takes 1.7 x 10 ^4 for light from the sun to reach the comet.
Learn more about scientific notation here:
brainly.com/question/3112062
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Answer:
<h2>C. 97.6 in³</h2>
Step-by-step explanation:
The formula of a volume of a cylinder:

r - radius
H - height
We have

Substitute:

The formula of a volume of a cone:

We have

Substitute:

The volume of the plastic object:

