Measurement
Percent Error
Significant Figures
Rounding/Sig Figs
Scientific Notation
100
Why must a measurement include both a number and a unit?
What is the number gives an amount and the unit indicated what was measured.
100
Why are the plus and minus signs ignored when finding percent error?
What is you only need the difference between the measured value and the accepted value.
100
What numbers are always significant?
What is non-zero numbers.
100
How many sig figs should there be if I multiplied 423.0 x 13.0?
What is three.
100
If I moved the decimal to the left for the number 4,250, will the exponent be positive or negative?
What is positive.
200
Why is there a need for a standard of units?
What is information can be shared and comparable throughout the world.
200
What does the plus and minus represent in the difference between the measured value and accepted value?
What is the plus and minus sign symbolize the quantity over or under the accepted value.
200
How many sig figs are there in 0.0001134
What is four.
200
How many sig figs should there be to the right of the decimal if I added 45.3454 + 3.54323
What is four.
200
If I put 0.0023 into scientific notation, will the exponent be positive or negative?
What is negative.
300
How many meters are in one kilometer?
What is 1,000.
300
What is the equation for percent error?
What is percent error equals (error divided by accepted value) multiplied by 100.
300
How many sig figs are in 1.00456?
What is 6.
300
What are the units of two measurements I multiply in meters?
What is meters squared.
300
How many decimal places and in what direction do I have to move for the exponent -4?
What is four to the left.
400
When converting from meters to centimeters, how do you decide which values to place in the numerator and the denominator?
What is the starting unit will be in the denominator (m) to cancel the units while the final unit (cm) should be in the numerator at the finish of the conversion.
400
What is percent error?
What is the ratio of an error to a accepted value.
400
How many sig figs are in 4520?
What is 3.
400
What are the units of two measurements in grams and liters if I divide?
What is grams per liter.
400
How many decimal places and in what direction do I have to move if the exponent is 5.
What is five to the right.
500
How many centimeters are in one meter?
What is 100.
500
If the accepted value for a density is 1.59 g/cm3, what is the percent error if the error is -0.05 g/cm3?
What is 3.14%
500
How many sig figs are in 0.00230?
What is three.
500
If I add 258.3 + 257.11 + 253, how many numbers to the right of the decimal will I have?
What is 0.
500
Put 136758 kg into scientific notation with three sig figs.
What is 1.37 x 10^5 kg.
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