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1. |
A plot of land 60°m x 20 m is measure steel tape. If the standard error of length width measurements is taken as ± 1 cm, the standard error of the area of the plot be |
A. | ± 0.1414 m 2 |
B. | ± 0.566 m 2 |
C. | ± 0.632 m 2 |
D. | ± 0.8484 m 2 |
Answer» D. ± 0.8484 m 2 | |