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The mean is (8 + 7 + 10 + 14 + 1)/5 = 8
No, 14*10^8 is not is scientific notation. The mantissa (14) must be a number in the interval [1, 10).
10 numbers in the sample. Middle numbers are 10 and 14. Then the median is (10+14)/2=12
The LCM is 280.
No. (14)2 is not equal to (8)2 + (10)2 .