问题
选择题
某种新型感冒病毒的直径是0.00000012m,0.00000012用科学记数法表示为 [ ]
A.0.12×10-7
B.1.2×10-6
C.1.2×10-7
D.12×10-6
答案
答案:C
某种新型感冒病毒的直径是0.00000012m,0.00000012用科学记数法表示为 [ ]
A.0.12×10-7
B.1.2×10-6
C.1.2×10-7
D.12×10-6
答案:C