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					                                                                       .4

                                                                                                 :
                                                 .                13             29    7    13

                                                                                                                   .1
      1+ p                           d                                                                             A
                                         :                                                      10-p               A
                             5                                 1+ p                                                    -
                                                     .                 1               p
                                 5                             1+ p                                                    -
                                                                                  .p


                                                                                                       :
                                                          3:                3.14159265358
                                                 3.142 :          10-3      3.14159265358
                                         3.14159 :              10-5        3.14159265358


                                                                                                                   .2


               .                 n           a<10                            a         -a×10n        a×10n


                                                                                                               :
                                                          1,62×107         16200000
                                                         3,21 × 10-4        0,000321


                                                                                                                   .3


                   -a ×10 n      a ×10 n:
k   -k ×10 n       k ×10 n
                                                                                           .a


                                             1                                                             :
                                             .4
                                                                             .1.3
         -                         -
                                                            :
                                                                                   •
10                                                                                 •


                                                                     :
                                                                 ♦
         236900000 = 2.369 × 109                  236900000
                          2 ×109             236900000                        "
                          0.046 = 4.6 × 10-2            0.046 ♦
                                    5×10-2          0.046                      "
     -                                       -


                                                        .


                                                                         :
                  ( 2,5 ×102)×(5.23 ×10-4)                                    .1
                                   3 ×102          2,5 ×102
                               5 ×10-4            5,23 ×10-4
                 15×10-2 :             (3×102)×( 5×10-4)
                  2×10-1                            15×10-2 = 1.5 × 10-1
             2×10-1           ( 2,5 ×102)×(5.23 ×10-4)
                                          9,12×105
                                                                              .2
                                          3,65×103
                                4 ×103             3,65×103
                                9 ×105            9.12 ×105
                                         2               9×105
                              2,25×10 :
                                                         4×103



                      2                                                  :
         .4
               2×102
           2   9×105
    2×10
               4×103




    21         47
    21         48
    21         49




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