初一数学上册科学计数法和近似数189Word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189Word格式文档下载.docx
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-8×
106-3×
1082.7×
106-8.94×
106
4.5×
1089.74×
105-5.7×
1039.71×
103
0.0000784(精确到万分位)0.418365(精确到十分位)
17.825(精确到0.1)0.00987(精确到0.001)
5
(-—)2(-7)2(-1)352
4
-110000006002000-3000
-1900000220000990000-905000
7×
1072×
103-3.3×
102-7.75×
105
-1.9×
1048.45×
102-2.8×
104-7.82×
0.0000693(精确到万分位)25831.1(精确到十分位)
6.76775(精确到0.01)0.00901(精确到0.001)
1
(-—)2(-2)2(-4)412
200001000002400000-9130000
-20005000570000-750000000
1×
108-9×
104-2.7×
1034.73×
107
-7.2×
1064.91×
104-9.7×
0.000918(精确到万分位)8.02844(精确到十分位)
0.335202(精确到0.1)0.0777(精确到0.1)
(-—)3(-7)2(-2)363
1000007005000000-2030000000
-500-42000001700-237000000
2×
1039×
106-2.1×
102-4.36×
-6.3×
1057.47×
106-6.6×
105-9.04×
102
0.0000584(精确到万分位)4532.66(精确到个位)
0.304496(精确到0.01)0.0545(精确到0.001)
(-—)2(-1)3(-1)223
10003000009800-258000
18003008400-8980000
5×
1031×
1059.6×
1051.04×
-7.9×
1064.88×
1056.7×
102-5.58×
0.000087(精确到万分位)4.99785(精确到十分位)
15.8281(精确到0.001)0.0073(精确到0.01)
(-—)3(-9)2(-1)383
-20000000-200010000-51900
1100000042005000000-4690000
1041×
1089×
106-3.26×
7.2×
105-6.9×
107-3.1×
102-7.03×
0.000727(精确到万分位)6.77234(精确到个位)
70.4443(精确到0.001)0.0894(精确到0.01)
(-—)3(-10)3(-2)423
-500000-200006100000-33500
1300020000007500-84200
-3×
104-3×
1088.7×
103-7.17×
-5.2×
1084.33×
1051.3×
1086.15×
0.000055(精确到万分位)95774.3(精确到十分位)
27.9368(精确到0.01)0.0943(精确到0.1)
(-—)2(-6)2(-1)263
-70000-5000044000-5740000000
1004900000008300-592000000
3×
1021×
107-6.7×
106-9.09×
-8.6×
1053.75×
1074.7×
1063.5×
0.0000646(精确到万分位)37.265(精确到十位)
0.862529(精确到0.01)0.0944(精确到0.01)
(-—)2(-7)2(-1)362
-1500000-800560000-7960000
-200000190000000690000-24800000
105-9×
106-4.6×
107-2.74×
-2.1×
103-1.29×
102-9.4×
102-9.18×
0.0000636(精确到万分位)3.3978(精确到个位)
0.551051(精确到0.01)0.00614(精确到0.1)
(-—)3(-9)2(-4)3102
-18000000-60000006400000-47400
-2000000-5000096000000-6600000000
103-8×
102-4.2×
108-9.97×
-4.3×
106-5.36×
105-6.4×
1044.72×
0.000088(精确到万分位)229.289(精确到十位)
0.948569(精确到0.1)0.00927(精确到0.01)
(-—)3(-3)3(-3)492
-14003000006900000-79000000
-800007003300000-188000
9×
1073×
1088.2×
1045.39×
-9.6×
105-8.35×
106-9.4×
1048.47×
0.000594(精确到万分位)2098.61(精确到十位)
0.955553(精确到0.01)0.05(精确到0.01)
(-—)2(-9)3(-2)272
19000000800000009700-8470000000
-17000-30000470000-84400000
1024×
106-2.5×
107-5.88×
3.4×
1055.52×
1046.1×
104-8.3×
0.0000569(精确到万分位)8525.34(精确到十位)
5.42882(精确到0.1)0.00704(精确到0.001)
(-—)3(-1)3(-3)373
6001003500-700
-19000000-12000000046000000-15800000
-7×
106-9×
102-4.6×
103-3.54×
-4.7×
106-7.97×
107-4.6×
103-1.23×
0.000596(精确到万分位)5.5494(精确到十分位)
0.316201(精确到0.001)0.0828(精确到0.001)
(-—)3(-2)2(-4)273
-5000-600400-376000000
160000-3000730000-592000000
108-4×
1039.5×
107-7.83×
-6.2×
108-3.11×
103-8.7×
1044.15×
0.0000516(精确到万分位)14.5338(精确到十位)
0.845955(精确到0.1)0.00871(精确到0.001)
(-—)3(-1)2(-1)322
4000-50000097000-4060000000
60000-4300000200-76800000
8×
108-3.4×
1048.36×
5.4×
105-6.77×
108-8.8×
1064.14×
0.0000969(精确到万分位)6215.4(精确到个位)
0.520948(精确到0.1)0.00929(精确到0.1)
(-—)2(-1)3(-1)3102
-17000000400000071000000-58800000
700004200019000000-228000000
1029×
107-5.5×
105-9.73×
-8.7×
1089.7×
108-6.4×
1088.77×
0.00072(精确到万分位)476.91(精确到十分位)
0.433323(精确到0.001)0.00821(精确到0.1)
(-—)3(-9)3(-4)213
-900-100000008800-658000
80000-25000079000000-558000
-6×
106-4×
107-9.7×
108-2.01×
107-4.75×
1089.5×
1062.94×
0.0000505(精确到万分位)0.580921(精确到十分位)
3.32547(精确到0.1)0.0547(精确到0.01)
(-—)2(-4)3(-1)463
-2000070000910000-77400
700-150000001300000-4450000000
102-9×
1074.6×
1067.75×
1081.34×
1055.6×
1032.33×
0.00095(精确到万分位)841.066(精确到个位)
0.538032(精确到0.1)0.0886(精确到0.001)
(-—)2(-8)2(-2)333
1800000600
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