Some people call 'n' "zero" for the first term, others call 'n' "1".
-- If n=0 for the first term, then T(0) = 0² + 3 = 3 .
-- If n=1 for the first term, then T(1) = 1² + 3 = 4 .
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I found the answer to this question by finding the square root of 49 because the section is a square. The square root of 49 is 7, so there are 7 tiles on each side of the floor.
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it's the second one
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the absolute value of a number is how many places its away from 0 so -9 is the same as 9 hope this helps
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the answer is 6.45
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