ExamName___________________________________MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.1)Approximately how many pennies would you have to stack to reach an average 8-foot ceiling?1)A)2×103B)2×102C)2 x106D)2×104E)2×105Answer:ADiff: 0Type: MC2)What is0.6740.74to the proper number of significant figures?2)A)0.91B)0.9108C)0.911D)0.9Answer:ADiff: 0Type: MC3)If, in a parallel universe,Δhas the value 3.14149, expressΔin that universe to four significantfigures.3)A)3.141B)3.142C)3.1415D)3.1414Answer:ADiff: 0Type: MC4)Express (4.3×106)-1/2in scientific notation.4)A)2.1×104B)2.1×103C)4.8×10-4D)2.1×10-5Answer:CDiff: 0Type: MC5)If an operatic aria lasts for 5.75 min, its length expressed in seconds isxs, wherexis5)A)less than 5.75.B)greater than 5.75.Answer:BDiff: 0Type: MC6)The wavelength of a certain laser is0.35micrometers,where1 micrometer=1×10-6m.Expressthis wavelength in nanometers.6)A)3.5×104nmB)3.5×101nmC)3.5×102nmD)3.5×103nmAnswer:CDiff: 0Type: MC7)Estimate the number of pennies that would fit in a box one foot long by one foot wide by one foottall.7)A)5 x106B)5×105C)5×103D)5×102E)5×104Answer:EDiff: 0Type: MC1Preview Mode
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