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Video Check 1.4
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1
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1+3+5+7 is an example of:
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a geometric sequence
an arithmetic sequence
a geometric series
an arithmetic series
In terms of series, the notation S7 means:
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the sum of numbers from 1 to 7
the sum of the first seven terms
the seventh term
the sum of every seventh term
What is 1+2+3+...+99+100?
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101
1000
5000
5050
What is 1+2+4+8+...+128?
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511
255
129
256
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