The multiple 10-6 has the prefix:
  • micro
  • centi
  • mega
  • milli
The scientific notation for 700 is:
  • 7 x 10-2
  • 7 x 102
  • 7 x 10
  • 7 x 103
The prefix used for 10-18 is:
  • atto
  • centi
  • kilo
  • deci
The coefficient in 6.65 x 104 is:
  • 10-4
  • 6.65
  • 6.65 x 104
  • 104
One atomic mass unit (amu) is closest to the mass of:
  • The oxygen-16 nucleus
  • The carbon-12 nucleus
  • 6.022 x 1023 atoms of hydrogen
  • One proton
The number of base SI units is:
  • 5
  • 7
  • 6
  • 2
The SI unit of time is:
  • minute
  • metre
  • second
  • kilogram
The 'Candela' is the unit of:
  • Luminous intensity
  • Amount of substance
  • Thermodynamic temperature
  • Electric current
The number of significant figures in 3256 is:
  • 4
  • 3
  • 5
  • 2
The SI unit of electric current is:
  • ampere
  • candela
  • metre
  • kilogram
Number of significant figures in 0.001520 is:
  • 4
  • 7
  • 6
  • 3
If the true value for a result is 2.00 g and a student takes 2 measurements and reports the results as 1.95 g and 1.93 g, then we can conclude that:
  • The values are both precise and accurate
  • The value are neither precise nor accurate
  • The values are accurate
  • The values are precise
The unit of amount of substance is:
  • ampere
  • second
  • mole
  • kilogram
Out of the numbers: 6.26, 5.8, 0.00267, 0.03, the one with the least significant figures is:
  • 0.03
  • 5.8
  • 0.00267
  • 6.26
If the true value for a result is 3.00 m and a student records two readings as 3.01 m and 2.99 m, then we can conclude that:
  • the values are neither accurate nor precise
  • the values are both accurate and precise
  • the values are precise
  • the values are accurate
The number of significant figures in 3.1205 are:
  • 3
  • 7
  • 6
  • 5
The scientific notation for 0.00016 is:
  • 1.6 Χ 10-4
  • 16 Χ 10-4
  • 1.6 Χ 10-2
  • 1.6 Χ 104
The number of significant figures in 0.04 are:
  • 4
  • 1
  • 3
  • 2
If we add the numbers 6.68 and 0.8, the result will be:
  • 7.4
  • 7.5
  • 7.58
  • 7.48
The answer for the expression is:
12.png
  • 0.469
  • 0.44
  • 0.439
  • 0.4
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