Answer: 1668.2
Multiply 1668.2×45 and get 75,069
Volume of a cone = (1/3) * Area of Base * height
144 * 3 / 9 = Area of Base
Area of the Base = 48
The difference in mail handled between 195 and 1965 is -5.4 x 10
<h3>What is the difference in mail handled?</h3>
The data on the pieces of mail handled by the United States Postal Service is written in scientific notation. Scientific notation is used to compress larger numbers into smaller numbers.
In order to write a number in scientific notation, the number is written as a decimal number, between 1 and 10 and multiplied by a power of 10. For example, 1 x 10² is equivalent to 100
Difference in mail handled = mail handled in 1995 - mail handled in 1965
(1.8 x
) - (7.2 x
)
(1.8 - 7.2) x 
-5.4 x 10
To learn more about scientific notation, please check: brainly.com/question/25334755
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The answer is A, because 7.5 times 400 is 3000 so you need at least 400 boxes.