The square meter, also written m2, is a unit of area. A figure that has an area of 30 square meters contains 30 an area of 30 squares, of 1 m times 1m each - or the equivalent.
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2*L + 2*W = 30m L<2*W So, 2*L + L < 30m L < 10m
30m and 4m share the common factor of 2 so the ratio is 15:2.
5×2×3=30m^3 30m^3 is the answer
Add all of the measurements together and then divide that sum by the number of measurements to get the mean. Example: (2,2,3,5,7,9). 2+2+3+5+7+9= 28. Then 28 divided by 6 (the number of terms) = 4.666 or 4 2/3
95 percent of measurements are less than 2 standard deviations away from the mean, assuming a normal distribution.