Problem 3
How many significant figures do these numbers have? a) 23 b) 23.0 c) 0.00023 d) 0.0002302
Problem 3
Perform the following conversions. a) \(5.4 \mathrm{~km}\) to meters b) \(0.665 \mathrm{~m}\) to millimeters c) \(0.665 \mathrm{~m}\) to kilometers
Problem 3
Perform the following conversions. a) \(100.0^{\circ} \mathrm{C}\) to kelvins b) \(-100.0^{\circ} \mathrm{C}\) to kelvins c) \(100 \mathrm{~K}\) to degrees Celsius d) \(300 \mathrm{~K}\) to degrees Celsius
Problem 3
Express these numbers in scientific notation. a) 0.00656 b) 65,600 c) 4,567,000 d) 0.000005507
Problem 3
Express the number \(6.022 \times 10^{23}\) in standard notation.
Problem 3
Identify the unit in each quantity. a) \(9.58 \mathrm{~s}\) (the current world record in the \(100 \mathrm{~m}\) dash) b) \(6.14 \mathrm{~m}\) (the current world record in the pole vault)
Problem 4
Perform the following conversions. a) \(1,000.0 \mathrm{~K}\) to degrees Celsius b) \(50.0 \mathrm{~K}\) to degrees Celsius c) \(37.0^{\circ} \mathrm{C}\) to kelvins d) \(-37.0^{\circ} \mathrm{C}\) to kelvins
Problem 4
Perform the following conversions. a) \(90.6 \mathrm{~mL}\) to liters b) \(0.00066 \mathrm{ML}\) to liters c) \(750 \mathrm{~L}\) to kiloliters
Problem 4
Express the number \(6.626 \times 10^{-34}\) in standard notation.
Problem 4
Identify the unit in each quantity. a) 2 dozen eggs b) \(2.4 \mathrm{~km} / \mathrm{s}\) (the escape velocity of the moon, which is the velocity you need at the surface to escape the moon's gravity)