Starter quiz

  • These are all examples of numbers written in standard ______: {3.1}\times10^{2}, {7.98}\times10^{-2} and {2.39}\times10^{6}
    • 'form' ✓
  • Which of the following inequalities is incorrect?
    • {6.54}\times10^{4}<{2.4}\times10^{6}
    • {3.42}\times10^{4}<{3.4}\times10^{4}  ✓
    • {1.92}\times10^{2}<{1.98}\times10^{2}
    • {2.08}\times10^{3}<{3.4}\times10^{4}
    • {2.607}\times10^{5}<{1.04}\times10^{8}
  • Starting with the smallest, put these numbers written in standard form in order of size.
    • 1
      ⇔
      {9.4}\times10^{2}
    • 2
      ⇔
      {5.3}\times10^{3}
    • 3
      ⇔
      {7}\times10^{3}
    • 4
      ⇔
      {2.07}\times10^{4}
    • 5
      ⇔
      {1.87}\times10^{5}
  • Which of the following inequalities is incorrect?
    • {6.54}\times10^{-4}<{2.4}\times10^{-2}
    • {3.56}\times10^{-3}<{5.07}\times10^{-2}
    • {7.56}\times10^{-2}<{4.2}\times10^{-1}
    • {2.72}\times10^{-4}<{2.8}\times10^{-6}  ✓
    • {1.23}\times10^{-4}<{1.023}\times10^{-2}
  • Starting with the smallest, put these numbers written in standard form in order of size.
    • 1
      ⇔
      {9.4}\times10^{-5}
    • 2
      ⇔
      {1.8}\times10^{-4}
    • 3
      ⇔
      {9}\times10^{-4}
    • 4
      ⇔
      {3.01}\times10^{-3}
    • 5
      ⇔
      {2.3}\times10^{-2}
  • Starting with the smallest, put these numbers in order of size.
    • 1
      ⇔
      {32}\times{0.001}
    • 2
      ⇔
      {3.2}\times{10}^{-1}
    • 3
      ⇔
      {32}\div{10}
    • 4
      ⇔
      {3.2}\times{10}^{3}
    • 5
      ⇔
      {320}\times{{1}\over{10}^{-2}}
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