问题:
一种花瓣的花粉颗粒直径约为0.0000065米,0.0000065用科学记数法表示为()
A.6.5×10-5
B.65×10-6
C.6.5×10-7
D.6.5×10-6
一种花瓣的花粉颗粒直径约为0.0000065米,0.0000065用科学记数法表示为()
A.6.5×10-5 | B.65×10-6 | C.6.5×10-7 | D.6.5×10-6 |
参考答案: