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Standard form Quiz

IB MYP Maths Standard: Quiz

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5 questions, one answer each

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  1. 1. Write 45 000 00045\,000\,000 in standard form.

    • A. 45×10645\times10^{6}
    • B. 4.5×1084.5\times10^{8}
    • C. 4.5×1074.5\times10^{7}
    • D. 0.45×1080.45\times10^{8}

  2. 2. Write 0.000320.00032 in standard form.

    • A. 3.2×10−43.2\times10^{-4}
    • B. 3.2×10−33.2\times10^{-3}
    • C. 3.2×1043.2\times10^{4}
    • D. 32×10−532\times10^{-5}

  3. 3. Find (4×103)×(5×106)(4\times10^3)\times(5\times10^6) in standard form.

    • A. 9×1099\times10^{9}
    • B. 20×10920\times10^{9}
    • C. 2×10192\times10^{19}
    • D. 2×10102\times10^{10}

  4. 4. Find 6×1082×103\dfrac{6\times10^8}{2\times10^3}.

    • A. 3×10113\times10^{11}
    • B. 3×1053\times10^{5}
    • C. 4×1054\times10^{5}
    • D. 3×1043\times10^{4}

  5. 5. Find 3×105+4×1043\times10^5+4\times10^4.

    • A. 7×1097\times10^{9}
    • B. 7×1057\times10^{5}
    • C. 3.4×1053.4\times10^{5}
    • D. 3.4×1043.4\times10^{4}

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