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Square kilometre: Quiz


Question 1: ________ for the precise meaning of the prefix "k"
Engineering notationGiga-Mega-SI prefix

Question 2: Square kilometre, symbol km2, is a decimal multiple of the ________ unit of surface area, the square metre, one of the SI derived units.
Conversion of unitsSystems of measurementMetric systemInternational System of Units

Question 3: The 106 m2 ________ page gives comparisons with geographic areas.
Order of magnitudeOrders of magnitude (temperature)Orders of magnitude (numbers)Orders of magnitude (length)

Question 4: ________, a proposed radio telescope
which is intended to have a collecting area of approximately one square kilometre
Astronomical radio sourceCosmic microwave background radiationSquare Kilometre ArrayAllen Telescope Array


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