Giai giup emmmmmmm ????????????????????????????????????????????????????????????????????????❤????

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Giai giup emmmmmmm ????????????????????????????????????????????????????????????????????????❤????
giai-giup-emmmmmmm

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Latifah 9 months 2020-10-29T23:06:25+00:00 1 Answers 81 views 0

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    2020-10-29T23:07:29+00:00

    a.

    $2^{n}$ =64

    $2^{n}$ =$2^{6}$ 

    ⇒n=6

     b.

    64.$4^{n}$ =45(đề sai)

    c.

    27.$3^{n}$ =243

    $3^{n}$=243:27

    $3^{n}$=9

    $3^{n}$=$3^{2}$

    ⇒n=2

    d.

    49.$7^{n}$=2041(đề ghi sai)

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