初一数学上册科学计数法和近似数131Word文档下载推荐.docx
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5×
1067×
102-9.3×
1062.69×
104
3.1×
102-5.69×
1086.9×
1038.97×
103
0.000517(精确到万分位)6190.21(精确到个位)
9.23048(精确到0.1)0.0743(精确到0.001)
(-—)3(-1)3(-4)333
4
10001000002000-50000
6000002400000006000000-7770000000
-1×
106-8×
1061.1×
108-9×
108
-5.7×
108-8.13×
1038.6×
1069.75×
0.0000928(精确到万分位)5.93224(精确到个位)
2.85325(精确到0.01)0.0747(精确到0.01)
6
(-—)2(-2)3(-2)432
300600008200-267000000
17000000280000200000-57000000
3×
102-2×
1078.3×
102-8.28×
-8.5×
105-2.56×
1064.6×
1023.9×
0.0000918(精确到万分位)246.264(精确到个位)
3.75933(精确到0.1)0.00805(精确到0.1)
(-—)2(-5)2(-3)443
1600000-10000008400-7600000
-5000240030000-7740000000
4×
1086×
103-4.4×
108-4.75×
-9.6×
1061.24×
108-5.1×
1059.61×
0.000933(精确到万分位)68138.2(精确到个位)
0.34102(精确到0.001)0.0739(精确到0.1)
3
(-—)3(-9)3(-2)222
2
-2000500000029000-50800
100020000600000-82700000
-3×
1081×
103-4.3×
102-2.15×
8.9×
1022.96×
1053.4×
1025.46×
0.000061(精确到万分位)5038.44(精确到个位)
0.445078(精确到0.01)0.00675(精确到0.1)
(-—)2(-6)3(-4)323
-130000003001000-9030000000
-2000000-50000008000000-8640000000
9×
103-1×
107-6.8×
1026.09×
-7.9×
1033.62×
108-6.9×
105-6.02×
102
0.000643(精确到万分位)0.699839(精确到十分位)
0.90961(精确到0.01)0.0975(精确到0.1)
(-—)2(-2)3(-2)362
30000500000008000000-31900
-30000002000009800-73800
-7×
1086.8×
7.8×
107-9.88×
1073.3×
103-1.71×
0.000594(精确到万分位)9506.71(精确到个位)
44.0801(精确到0.001)0.0523(精确到0.01)
(-—)3(-10)2(-3)492
20000-10083000000-1490000
200000001600078000000-115000
1041×
1033.2×
1036.14×
-7.5×
107-2.47×
105-5.8×
106-4.77×
0.000765(精确到万分位)33.1662(精确到个位)
62.0041(精确到0.001)0.0944(精确到0.01)
(-—)2(-2)2(-4)213
-1200300200000-12900
-16000-7004600000-7980000
6×
1087×
1057×
1086.58×
102-9.71×
1021.4×
107-1.31×
0.000078(精确到万分位)64.6541(精确到十位)
5.8245(精确到0.01)0.00712(精确到0.001)
(-—)3(-3)3(-3)422
600000-600000920000-26000
1002800003700-17600000
2×
1045×
102-3.2×
1052.01×
-3.4×
1068.27×
102-1.8×
1074.12×
106
0.0000762(精确到万分位)0.295639(精确到十分位)
71.7307(精确到0.001)0.0899(精确到0.01)
(-—)2(-10)2(-3)252
8000000600200000-47800000
8000450000900000-66200000
-8×
1037×
105-9×
107-6.29×
-2.9×
1074.13×
1088.9×
1085.21×
0.000612(精确到万分位)709.131(精确到十位)
0.513585(精确到0.01)0.00737(精确到0.01)
(-—)2(-1)3(-3)212
-130000-900000008200-4830000
-7000003900300-694000000
1083×
1046.6×
104-6.79×
-1.7×
1051.8×
108-8.2×
102-9.26×
0.0000921(精确到万分位)866.544(精确到十位)
52.9412(精确到0.01)0.0981(精确到0.01)
(-—)3(-8)3(-2)253
-600-500270000-490000
-1500000011000200000-767000
1068×
102-3.7×
106-5.61×
108-6.79×
104-9.5×
1075.09×
0.000784(精确到万分位)6779.28(精确到个位)
0.608143(精确到0.001)0.00696(精确到0.001)
(-—)2(-1)3(-4)212
500010004100000-1060000
6000-1800000030000-34400000
1034×
108-4.9×
1023.92×
-2.8×
102-3.33×
1032.8×
105-3.52×
0.000088(精确到万分位)29.1305(精确到十位)
0.166551(精确到0.01)0.0529(精确到0.001)
(-—)3(-2)2(-4)223
-900000900000052000000-150000
-1700000024000000270000-9090000
104-8.4×
107-4.72×
3.2×
1072.89×
1042.7×
1063.25×
0.000504(精确到万分位)7.23359(精确到个位)
0.458611(精确到0.001)0.0675(精确到0.1)
(-—)3(-7)2(-3)312
60000-100005900-48400000
1200000-140000340000-41100
103-4×
1077.3×
1046.27×
-5.5×
107-1.28×
105-5.65×
0.0000815(精确到万分位)4015.61(精确到十分位)
0.356743(精确到0.1)0.0664(精确到0.001)
(-—)3(-7)3(-3)413
2000-3000680000-6940000000
70080008000000-9220000000
104-4×
105-1×
1049.09×
7.6×
102-5.78×
1065.7×
1043.49×
0.000568(精确到万分位)61.3706(精确到十分位)
0.133502(精确到0.001)0.0794(精确到0.001)
(-—)3(-8)3(-1)443
13000009000043000-4620000
130000037000006300-830000
-5×
106-7.1×
107-1.13×
6.5×
107-7.51×
1044.7×
108-5.27×
0.0000591(精确到万分位)1.11476(精确到十位)
0.169356(精确到0.01)0.00942(精确到0.001)
(-—)2(-8)2(-1)4102
-2000-80007500000-1630000