Test PracticeT
634 Measurement and Proportional ReasoningC 25. FIND THE ERROR Theresa is converting
3.25 kilograms to grams. Find her
mistake and correct it.3.25 kg = 0.00325 g- CHALLENGE The metric prefix giga– refers to something one billion times
larger than the base unit. One gigameter equals how many meters? - E WRITE MATH Explain why you use a power of 10 that is greater
than 1 when converting from a larger unit to a smaller unit. - The table shows Telephone
Owner Mass (g)
Claudio 100.4
Al 70.8
Jane 95.6
the mass of cell
phones. What is
the approximate
total mass of the
telephones?
A. 0.27 kilogram C. 27.0 kilograms
B. 2.7 kilograms D. 270.0 kilograms- Which relationship between the given
units of measure is correct?
F. One gram is _^1
100
of a centigram.
G. One meter is _^1
100
of a centimeter.H. One gram is _^1
1,000
of a kilogram.I. One milliliter is _^1
100
of a liter.Metric Units
More
AboutAbout
Measuring objects as close as possible to the actual value is called accuracy.Which is more accurate for measuring the weight of a bag of apples in
a grocery store: tenth of a pound or half of a pound?
Measuring to the nearest tenth of a pound is more accurate because it is
closer than half a pound to the actual value.Choose the term that results in a more accurate measurement.- In a science experiment, the mass of one drop of solution is found to the
nearest 0.01 (gram, kilogram). - The length of a bracelet is measured to the nearest (inch, eighth inch).
631_638_C11_L1_895130.indd 634 12/31/09 8:57 AM