Answer:
32.59 (nearest hundredth)
Step-by-step explanation:
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<u>Geometric sequence</u>
General form of a geometric sequence: 
(where a is the first term and r is the common ratio)
Given:

Therefore:
<u>Sum of the first n terms of a geometric series</u>:

To find the sum of the first 20 terms, substitute the found values of a and r, together with n = 20, into the formula:


You should tell your mom to bake 8 cupcake batches
The height of stack is 36 feet.
<h3>What is unitary method?</h3>
The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value
Given:
height of 1 crate = 3 feet
height of 1 crate in inch = 3*12
= 36 feet
Hence, the height of stack of shipping crates is 36 feet.
Learn more about unitary method here:
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Answer:
Example any whole number over one would be an improper fraction, so 2=2/1, something like 5/3=1 2/3 would be a mixed number, subtract the numerator by the denominator, how ever many times you can subtract is the whole number and the amount remaining is the numerator, keep the same denominator,,, hope that makes sense
Step-by-step explanation: