# How do you use summation notation to expression the sum #7+14+28+...+896#?

# sum_(r=0)^(127) \ 7 + 7r \ \ # or# \ \ sum_(r=1)^(128) 7r#

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You can express the sum ( 7 + 14 + 28 + \ldots + 896 ) using summation notation as:

[ \sum_{n=1}^{13} 7 \cdot 2^n ]

This notation signifies the sum of the terms ( 7 \cdot 2^n ) where ( n ) varies from 1 to 13, inclusive.

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The sum 7 + 14 + 28 + ... + 896 can be expressed using summation notation as:

∑(i = 1 to n) 7 * 2^(i - 1)

where n is the number of terms in the series.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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