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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | Apr 2017 |
| Last Sign in: | 327 Weeks Ago, 4 Days Ago |
| Questions Answered: | 12843 |
| Tutorials Posted: | 12834 |
MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
Chemistry Questions
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1.    How many significant figures are there in 0.00024056?
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A.  9
B.   5
C.   4
D.  7
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2.    What prefix is used to designate 1/1000?
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A.  m
B.   M
C.   k
D.  c
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3.    Water is an example of a(n) ______________.
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A.  Homogeneous mixture
B.   Heterogeneous mixture
C.   Compound
D.  Element
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