Find the Sum of the First 6 Terms 2 , 8 , 32 , 128

Math
, , ,
This is a geometric sequence since there is a common ratio between each term. In this case, multiplying the previous term in the sequence by gives the next term. In other words, .
Geometric Sequence:
This is the form of a geometric sequence.
Substitute in the values of and .
Multiply .
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Rewrite as .
Multiply the exponents in .
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Apply the power rule and multiply exponents, .
Apply the distributive property.
Multiply by .
Use the power rule to combine exponents.
Subtract from .
This is the formula to find the sum of the first terms of the geometric sequence. To evaluate it, find the values of and .
Replace the variables with the known values to find .
Simplify the numerator.
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Raise to the power of .
Subtract from .
Simplify the expression.
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Subtract from .
Divide by .
Multiply by .
Convert the fraction to a decimal.
Find the Sum of the First 6 Terms 2 , 8 , 32 , 128


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