Physics Bowl by Topic 1: Unit, Prefix, Significant Figures, Estimation & History

本题目来源于试卷: Physics Bowl by Topic 1: Unit, Prefix, Significant Figures, Estimation & History，类别为 美国物理杯赛(Physics Bowl)

[单选题]
10.01: The very firs*weh. -bxons 7veo;e(g6+dxm hwh,e- ibl(t zi,j1/w*rp. qat PhysicsBowl took place in 1985. Approximately how many seconds ago did students compete in e,*b w,j-/zrapt hh(liw1i .qthis first contest?

A. $10^2$
B. $10^5$
C. $10^7$
D. $10^9$
E. $10^{12}$


参考答案:  D


本题详细解析: 暂无

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