初一数学上册科学计数法和近似数5Word格式文档下载.docx
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初一数学上册科学计数法和近似数5Word格式文档下载.docx
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2×
105-6×
1023.5×
108-1.48×
-1.5×
1024.08×
102-8.1×
102-7.81×
108
0.0000913(精确到万分位)9.62183(精确到个位)
0.215711(精确到0.001)0.0867(精确到0.001)
(-—)2(-1)3(-2)323
5
-5000-50000007100-7400000
1700000-4100000002000000-563000
1061×
1051.6×
107-1.06×
5.3×
1076.42×
1045×
1069.55×
104
0.000803(精确到万分位)5.22461(精确到十分位)
0.940182(精确到0.1)0.00791(精确到0.001)
4
(-—)3(-4)3(-1)312
3
18000-90000000890000-880000000
-2000003300000008000-87000
4×
1086×
105-5.3×
103-9.5×
-9.4×
105-9.07×
107-3.6×
103-8.33×
107
0.0000644(精确到万分位)535.275(精确到十分位)
0.614474(精确到0.01)0.00517(精确到0.01)
(-—)3(-10)3(-4)253
9006000000024000000-4040000000
1000037000000940000-424000000
-3×
1075×
102-3.8×
1049.33×
1×
102-3.23×
1082.8×
1046.44×
106
0.0000704(精确到万分位)5463.82(精确到十位)
0.643878(精确到0.1)0.0829(精确到0.001)
6
(-—)2(-10)3(-1)363
200000010030000-7090000000
-30000-36000000015000000-8490000000
3×
1023×
1073.2×
102-1.18×
-8.6×
102-2.35×
102-4.7×
103-3.08×
0.000529(精确到万分位)4194(精确到个位)
75.1831(精确到0.001)0.0945(精确到0.1)
(-—)3(-5)3(-4)412
1500-800000096000000-691000
1100-280000007800000-2920000000
-1×
1084×
1079.3×
1039.97×
-1.3×
106-7.59×
106-7.16×
0.000574(精确到万分位)96119.3(精确到个位)
0.354846(精确到0.001)0.00734(精确到0.01)
(-—)2(-8)3(-4)232
100000-7005000000-17300
-100000-3800017000000-14000
8×
1062×
108-8.8×
1024.09×
4.7×
1028.12×
103-4.1×
1069.75×
0.0000932(精确到万分位)48.3935(精确到个位)
0.346097(精确到0.1)0.00558(精确到0.001)
(-—)2(-6)3(-3)352
40000-800027000-3430000
160000041000004000000-845000000
-5×
108-8×
1047.4×
1047.55×
-9×
1027.63×
1042.8×
105-4.11×
0.0000931(精确到万分位)837.743(精确到十分位)
1.28817(精确到0.01)0.0835(精确到0.01)
(-—)3(-8)3(-1)332
-1800000020000000590000-423000
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-4×
104-2×
104-2.4×
1072.55×
-6.4×
104-3.13×
102-3.2×
105-9.35×
0.0000752(精确到万分位)0.504721(精确到十位)
92.9887(精确到0.01)0.0652(精确到0.1)
(-—)2(-4)3(-2)232
1000000-4000042000-4260000
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1071×
106-9.5×
105-8.52×
2.3×
1029.04×
105-3.9×
1088.79×
0.0000933(精确到万分位)2.8286(精确到十分位)
78.4527(精确到0.1)0.0635(精确到0.01)
(-—)3(-3)3(-2)453
500300000064000000-346000
-200-200008400-2940000
-8×
1037×
1038.8×
1062.02×
3.2×
1078.3×
106-2.4×
105-8.85×
0.0000958(精确到万分位)61.602(精确到十分位)
0.338509(精确到0.001)0.00761(精确到0.01)
(-—)3(-5)2(-2)362
-1000-70000009600000-9600000000
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6×
1027×
1061.8×
1045.75×
1.3×
105-3.82×
102-9.85×
0.0000995(精确到万分位)51.5049(精确到十位)
0.308009(精确到0.1)0.00853(精确到0.1)
(-—)3(-7)2(-1)493
-18000-900000065000000-52300000
7000-260000001900-12900000
106-2×
1052.2×
1084.71×
103
-3.4×
102-9.23×
1027.5×
1036.2×
0.00091(精确到万分位)574.05(精确到十分位)
15.7028(精确到0.001)0.0084(精确到0.1)
(-—)3(-8)3(-2)393
14000000-900000290000-890000
7000005000004300000-850000
-6×
1049×
1059.1×
107-3.3×
5×
1072.24×
106-5.9×
105-1.71×
0.000625(精确到万分位)7720.03(精确到个位)
0.736701(精确到0.1)0.00941(精确到0.01)
(-—)2(-7)2(-2)492
200000-30000770000-40200
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-2×
1052×
1039.6×
1078.7×
5.1×
107-8.46×
1045.4×
104-7.16×
0.0000868(精确到万分位)509.105(精确到个位)
23.1484(精确到0.01)0.078(精确到0.1)
(-—)2(-1)2(-4)483
-2001000000390000-6560000000
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1085×
1071.8×
1062.28×
9.4×
108-6.54×
1069.4×
1058.96×
0.000655(精确到万分位)4.11056(精确到十位)
0.658282(精确到0.01)0.00612(精确到0.1)
(-—)3(-7)2(-1)272
10000000-30000046000000-15800000
80000-2500047000-383000
1065×
1088.6×
1061.41×
8.5×
1084.34×
1032.1×
1082.86×
0.0000781(精确到万分位)0.58191(精确到个位)
0.638415(精确到0.01)0.00735(精确到0.01)
(-—)3(-10)2(-3)212
40000-2000080000-8940000
-14000000-2400000067000000-13600
106-8×
106-1.6×
103-9.25×
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1087.17×
1045.3×
0.000959(精确到万分位)0.146849(精确到十分位)
0.358978(精确到0.001)0.00722(精确到0.001)
(-—)3(-5)3(-2)482
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