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candyme

  • 4 years ago

Express 1+2+4+8+16+32 in sigma notation

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  1. freckles
    • 4 years ago
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    \[2^0+2^1+2^2+2^3+2^4+2^5+\cdots \] Do you see this pattern?

  2. candyme
    • 4 years ago
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    Oh, is it 2^k?

  3. freckles
    • 4 years ago
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    \[\sum_{k=0}^{5}2^k \text{ yep! }\]

  4. candyme
    • 4 years ago
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    Thanks for your help!

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