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 first PhysicsBowl took plaabxavc5 */snc 9tdsh:r (o5,pcr0 qat k-r/1jv43h tkjcr0s2 ye in 1985. Approximately how many seconds ago did students compete itrq/1-vj3krtchr j20 y4 0 skan this 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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