Review Questions September 2011

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Presentation transcript:

Review Questions September 2011

Question 1 Who measured the size of the earth? (a) Aristotle 2 Question 1 Who measured the size of the earth? (a) Aristotle (b) Socrates (c) Plato (d) Eratosthenes (e) Leonardo da Vinci

Question 2 How many significant figures has 0.000003080 ? (a) 3 (b) 4 (d) 9 (e) 10 Leading zeros don’t count Trailing zeros do

Question 3 Which is NOT a base dimension ? (a) Time (b) Mass 4 Question 3 Which is NOT a base dimension ? (a) Time (b) Mass (c) Volume (d) All of these ARE base dimensions (e) None of these are base dimensions