1.1 Scientific notation

1.1 Scientific notation Quiz

IB Maths: Applications and Interpretation HL: Quiz

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  1. 1. Which of these is in scientific notation?

    • A. 0.45×1030.45\times10^{3}
    • B. 4.5×1024.5\times10^{2}
    • C. 45×10145\times10^{1}
    • D. 4.5E2

  2. 2. Calculate (3×105)(4×10−2)(3\times10^{5})(4\times10^{-2}), giving the answer in the form a×10ka\times10^{k} with 1≤a<101\le a<10.

    • A. 12×10312\times10^{3}
    • B. 1.2×10−101.2\times10^{-10}
    • C. 1.2×1041.2\times10^{4}
    • D. 7×1037\times10^{3}

  3. 3. Calculate 6×1082.4×103\frac{6\times10^{8}}{2.4\times10^{3}}.

    • A. 2.5×1052.5\times10^{5}
    • B. 2.5×10112.5\times10^{11}
    • C. 3.6×1053.6\times10^{5}
    • D. 2.5×1042.5\times10^{4}

  4. 4. Calculate 3.2×104+5×1033.2\times10^{4}+5\times10^{3}.

    • A. 8.2×1078.2\times10^{7}
    • B. 3.25×1043.25\times10^{4}
    • C. 8.2×1048.2\times10^{4}
    • D. 3.7×1043.7\times10^{4}

  5. 5. Write 0.000 000 520.000\,000\,52 in scientific notation.

    • A. 5.2×10−65.2\times10^{-6}
    • B. 5.2×10−75.2\times10^{-7}
    • C. 5.2×1075.2\times10^{7}
    • D. 52×10−852\times10^{-8}

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