Subject

    গাণিতিক যুক্তি

    Topic

    সূচক ও লগারিদম

    If 0.0015×10m0.03×10k\frac{{0.0015 \times 10m}}{{0.03 \times 10k}} = 5× \times 107, then m -k = ?

    ক)
    9
    খ)
    8
    গ)
    7
    ঘ)
    6

    Explanation

    0.0015×10m0.03×10k\frac{{0.0015 \times 10m}}{{0.03 \times 10k}} = 5× \times 10 7 or 10m10k=5×107×0.030.0015\frac{{10m}}{{10k}} = 5 \times 107 \times \frac{{0.03}}{{0.0015}} or 10m10k=5×107×3×10015\frac{{10m}}{{10k}} = 5 \times 107 \times \frac{{3 \times 100}}{{15}} = 10 m-k = 10 9 m-k = 9

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