❌ - the lowest point on the Kelvin scale
❌ - the SI scale for temperature
❌ - kilogram is the SI unit for this quantity
❌ - closeness to true value
❌ - the non-SI scale for temperature
❌ - known or estimated in a measurement
❌ - narrowness of range of measurements
❌ - the force of gravity on an object
What quantity is represented by the metric system prefix deci-?
100
0.01
0.1
1000
Express the sum of 7.68 m and 5.0 m using the correct number of significant digits.
10 m
13 m
12.7 m
12.68 m
In measurement 0.503 L, which digit is the estimated digit?
3
the 0 to the left of the decimal point
5
the 0 immediately to the left of the 3
Three different people weigh a standard mass of 2.00 g on the same balance. Each person obtains a reading of 7.32 g for the mass of the standard. These results imply that the balance that was used is ___.
accurate and precise
neither precise nor accurate
precise but not accurate
accurate but not precise
What is the measurement 111.009 mm rounded off to four significant digits?
110 mm
111.0 mm
111.01 mm
111 mm
What is the volume of 45.6 g of silver if the density of silver is 10.5 g/mL?
479 mL
4.34 mL
0.23 mL
none of the above
What is the boiling point of water in kelvins?
0 K
373 K
273 K
100 K
When multiplying and dividing measured quantities, the number of significant figures in the result should be equal to the number of significant figures in ___.
all of the measurements
the most precise measurement
the least and most precise measurements
the least precise measurement
Which of the following units is Not an official SI unit?
kilograms
litter
ampere
mole
The diameter of a carbon atom is 0.000 000 000 154 m. What is this number expressed in scientific notation?
1.54 x 10⁻¹⁰
1.54 x 10¹⁰
1.54 x 10¹²
1.54 x 10⁻¹²
The weight of an object __.
is the same as its mass
depends on its location
is always the same
is not affected by gravity
A cubic meter is about the same as the volume occupied by a ___.
a cup of milk
washing machine
kilogram of water
basketball arena
What is the volume of a salt crystal measuring 2.44 x 10⁻² m by 1.4 x 10⁻³ m by 8.4 x 10⁻³ m?
2.9 x 10⁻⁶ m³
2.9 x 10⁻⁵ m³
2.9 x 10⁻⁴ m³
2.9 x 10⁻⁷ m³
