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Write the elements of the set, the odd numbers between, but not including, 799 and 805.
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So the keyword here in this question is element because what it means is we want to write the individual parts of our set.
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And these are known as elements.
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We can also see the next bit of useful information.
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And that is that we’re looking at odd numbers.
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And it must be between, but not including, 799 and 805.
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So our first value will not be 799; it will be 801 because this is the next odd number.
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Then, the next odd number that meets our criteria is 803 and then, finally, 805.
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This will also not be included because we’re told in the question that 799 and 805 are not included.
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So therefore, the elements of the set, the odd numbers between, but not including, 799 and 805 are 801 and 803.
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There are two elements.