初一数学上册科学计数法和近似数43Word文件下载.docx
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7×
106-5×
1034.4×
1046.54×
108
-9×
103-7.97×
102-7.5×
1089.21×
106
0.0000766(精确到万分位)274.754(精确到十位)
0.99014(精确到0.1)0.0987(精确到0.001)
1
(-—)2(-8)3(-3)433
110000070001900-92500000
14000-29000000093000000-460000
-6×
1024×
1061.9×
105-5.43×
9.2×
102-4.28×
107-3×
1025.11×
105
0.0000517(精确到万分位)3.21848(精确到十位)
0.468484(精确到0.01)0.00545(精确到0.01)
(-—)3(-5)2(-2)232
-1500800009600-1590000000
-100000-3400000099000-92300
104-4×
106-6.5×
107-9.85×
8.6×
1077.55×
105-6.3×
1066.36×
0.0000802(精确到万分位)59.2739(精确到十分位)
0.294973(精确到0.1)0.00974(精确到0.1)
4
(-—)3(-6)2(-2)382
-18000-600006600-761000
6002000000008700-9660000000
-1×
102-6.1×
108-9.16×
-8.3×
104-4.14×
108-9.9×
1046.63×
0.000778(精确到万分位)0.779966(精确到十分位)
0.143265(精确到0.001)0.0946(精确到0.1)
(-—)3(-1)3(-1)462
-700000-20000005000000-6800000
1600-19000007100000-49000000
3×
1059×
1071.9×
1046.28×
4.1×
1051.37×
1037.7×
1061.36×
104
0.000965(精确到万分位)9.37546(精确到十分位)
5.66401(精确到0.001)0.00997(精确到0.001)
(-—)3(-10)2(-1)363
8000000900470000-424000000
-7000000-370000350000-271000000
1033×
1051.4×
1031×
7.3×
106-9.69×
106-2.5×
108-1.43×
0.000732(精确到万分位)94.6146(精确到十分位)
0.504017(精确到0.01)0.0895(精确到0.1)
(-—)2(-6)3(-2)212
1500-20030000-5400000
-160000-40000002700000-87800000
4×
108-3×
106-3.7×
1051.11×
6.3×
102-5.88×
104-1.1×
1021.46×
0.0000976(精确到万分位)8871.33(精确到十分位)
0.64452(精确到0.1)0.00601(精确到0.1)
(-—)3(-1)3(-2)233
-60000-90000790000-8130000000
5000000-18000000500000-509000000
8×
107-1.4×
1084.11×
3.6×
105-7.86×
1053.9×
1026.63×
0.00098(精确到万分位)0.111858(精确到十位)
9.1972(精确到0.1)0.00692(精确到0.001)
(-—)2(-7)3(-3)4102
5
190000010000000200-421000000
1700410000033000-20000000
1079×
1082.2×
1038.78×
-6.6×
105-7.02×
102-4.3×
104-5.15×
0.000797(精确到万分位)4942.95(精确到十位)
1.38094(精确到0.01)0.0641(精确到0.001)
(-—)2(-7)3(-3)422
1900300000013000000-286000000
-1300000190000081000000-56900000
-8×
103-7×
106-3.3×
1066.82×
6×
105-7.88×
105-2.4×
104-8.21×
0.000618(精确到万分位)4455.61(精确到十位)
5.27317(精确到0.001)0.00621(精确到0.01)
(-—)3(-6)3(-3)393
-90000400000041000000-5800
-80000-200000009400-1410000000
5×
102-3×
1041.4×
108-9.94×
-4.7×
1022.48×
1063.7×
1022.14×
0.0000706(精确到万分位)0.184493(精确到十位)
0.250826(精确到0.01)0.00512(精确到0.01)
(-—)2(-5)2(-2)412
-180000090001800000-5570000
900-28000074000-781000
-4×
1029×
1051.6×
105-1.11×
-4.5×
105-5.9×
107-5.5×
1075.29×
0.0000701(精确到万分位)776.191(精确到个位)
0.772807(精确到0.1)0.00535(精确到0.01)
(-—)2(-5)3(-2)343
-30004000000830000-286000000
-300060000038000-6710000000
2×
1085.4×
104-7.39×
5.3×
1028.74×
107-3.8×
106-7.31×
0.000665(精确到万分位)9258.52(精确到个位)
0.845923(精确到0.01)0.00745(精确到0.001)
6
(-—)2(-5)3(-1)413
1600000-9007100-75200000
-2000002200000006100-89100000
104-3×
105-3.3×
106-2.43×
-2.9×
1023×
1024.5×
1054.11×
0.0000797(精确到万分位)0.214437(精确到十分位)
6.14605(精确到0.001)0.0089(精确到0.001)
(-—)2(-10)2(-3)293
-130000040005600000-7910000000
800210000006300000-7450000
-5×
1039×
102-8.62×
-8.6×
1039.92×
108-3.4×
1028.4×
0.0000835(精确到万分位)75032(精确到十位)
51.3305(精确到0.001)0.0964(精确到0.001)
(-—)2(-4)3(-3)312
1200700099000-321000000
-4001200000019000-7000
-2×
1083×
102-9.4×
1041.82×
1079.85×
1056×
102-2.19×
0.0000807(精确到万分位)8.16885(精确到十分位)
0.119353(精确到0.1)0.00568(精确到0.1)
(-—)2(-3)3(-4)423
-12000000700009800000-427000000
8000460075000-4090000000
1032.4×
106-6.91×
-3.7×
1049.32×
106-9.4×
107-6.49×
0.000785(精确到万分位)9503.41(精确到十分位)
78.5362(精确到0.001)0.00807(精确到0.01)
(-—)3(-5)2(-4)372
110000070002300-8120000
300000-12000000054000000-3550000000
1078×
1056.1×
102-6.47×
3.2×
105-1.63×
1065.9×
107-1.73×
0.0000923(精确到万分位)9.88326(精确到十分位)
66.5203(精确到0.001)0.0592(精确到0.001)
(-—)3(-7)3(-4)293
1、用科学记数法表示下列