题目
下列结果表达式正确的是：A. R = 8.62108 pm 8.02041 times 10^2 , (mm)B. R = (8.621 pm 80) times 10^2 , (mm)C. R = (8.621 pm 0.008) , (m)D. R = (8.621 pm 0.0081) times 10^2 , (mm)
下列结果表达式正确的是：
A. $R = 8.62108 \pm 8.02041 \times 10^2 \, \text{mm}$
B. $R = (8.621 \pm 80) \times 10^2 \, \text{mm}$
C. $R = (8.621 \pm 0.008) \, \text{m}$
D. $R = (8.621 \pm 0.0081) \times 10^2 \, \text{mm}$
题目解答
答案
C. $R = (8.621 \pm 0.008) \, \text{m}$