初一数学上册科学计数法和近似数201Word文件下载.docx
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-7×
108-7×
1071.9×
1066.05×
107
4.7×
1043.22×
1089.4×
107-1.57×
103
0.0000711(精确到万分位)56.2095(精确到个位)
60.4134(精确到0.01)0.00822(精确到0.1)
(-—)3(-8)2(-3)2103
2
700000-20000022000-986000
14000270000014000000-690000
8×
1076×
105-3.4×
1059.35×
4.6×
1034.76×
1039.6×
1045.28×
0.000759(精确到万分位)99.4139(精确到十分位)
0.4657(精确到0.1)0.00712(精确到0.001)
(-—)3(-5)2(-1)472
4
-15000000-1000000054000-5810000000
-5000-46000000580000-1880000
-8×
107-2×
108-6.8×
105-2.09×
104
-6.3×
1073.88×
1031.3×
102-5.85×
0.000957(精确到万分位)236.61(精确到十分位)
8.48278(精确到0.001)0.0984(精确到0.01)
(-—)3(-6)2(-3)352
3
10030000370000-9250000000
900-410000087000-774000
102-5×
108-3.9×
1078.5×
5.6×
105-3.85×
103-6.1×
1027.26×
0.0000669(精确到万分位)98.6619(精确到个位)
9.96914(精确到0.1)0.0881(精确到0.01)
(-—)3(-7)3(-3)453
70000-1000078000-4080000
-1200000011000008500000-2200000
4×
106-9×
104-1.9×
102-8.22×
108
8.9×
1076.25×
1057.8×
1086.76×
0.000652(精确到万分位)31619.4(精确到个位)
1.13002(精确到0.001)0.067(精确到0.001)
(-—)3(-8)3(-2)2102
10000-20006600000-6930000
1800500037000000-39400000
3×
108-3×
102-1.4×
1023.58×
104-5.02×
103-5.5×
107-7.23×
0.000936(精确到万分位)5104.15(精确到个位)
6.40637(精确到0.1)0.0832(精确到0.01)
(-—)3(-3)3(-2)363
-15000000-40001000000-83800
-400-270000001200000-72600
108-7.5×
103-1.62×
-2.8×
1046.14×
1032.8×
1027.99×
102
0.000802(精确到万分位)7.96935(精确到个位)
90.4594(精确到0.001)0.0083(精确到0.01)
(-—)3(-2)2(-2)3103
-30000-7000100000-145000000
180000300003200-738000000
-1×
107-1×
1031.5×
102-7.6×
-2.6×
1081.28×
104-4.3×
107-2.07×
0.0000707(精确到万分位)875.193(精确到十位)
0.481435(精确到0.01)0.008(精确到0.01)
(-—)2(-5)3(-1)452
1000-80003100000-3000000000
-500004004000-8960000
-5×
105-5×
108-4.9×
104-4.41×
8.1×
1084.79×
1046.2×
1084.48×
0.000922(精确到万分位)99.3396(精确到十位)
0.577014(精确到0.01)0.0977(精确到0.1)
(-—)3(-6)2(-4)473
15000000-1000001500-15200000
300000-160000720000-5410000000
9×
106-7×
1081.2×
1088.08×
3.9×
107-8.04×
1081.1×
107-1.76×
0.0000737(精确到万分位)54.7014(精确到十位)
9.52199(精确到0.01)0.00877(精确到0.1)
(-—)2(-5)3(-3)293
17004000091000000-471000000
19000000-44000073000000-45700
1072×
104-8.8×
106-7.82×
-1.6×
1063.34×
103-2.5×
102-6.37×
0.000958(精确到万分位)64014.1(精确到十分位)
0.812746(精确到0.01)0.00709(精确到0.001)
(-—)3(-9)3(-2)272
20000000-70000009600-140000
200-400000000820000-81100000
2×
105-3×
105-2.5×
1028.68×
2.7×
1082.24×
1055.4×
1061.93×
0.0000695(精确到万分位)0.574265(精确到十位)
2.70188(精确到0.01)0.00628(精确到0.01)
(-—)2(-8)3(-4)3102
-15000-400000940000-5200000000
-13000000190000064000-2390000000
-2×
1045×
1075.2×
104-9.24×
-5.9×
107-4.69×
1026.5×
106-6.66×
0.000908(精确到万分位)0.777885(精确到个位)
0.261274(精确到0.1)0.0713(精确到0.1)
(-—)2(-1)3(-4)452
10000000-90091000000-928000000
8000-3000610000-582000
1031×
108-7.4×
1077.52×
-3.7×
1043.25×
1058.8×
108-1.48×
0.000821(精确到万分位)5.48204(精确到个位)
65.2199(精确到0.001)0.0904(精确到0.01)
(-—)2(-5)3(-4)312
300008000035000-70500
-4000000500007700000-2000000
7×
1068×
108-3.5×
108-9.61×
6.1×
107-4.05×
1029.2×
104-5.86×
0.0000944(精确到万分位)11737.5(精确到十分位)
5.42649(精确到0.001)0.0533(精确到0.001)
(-—)3(-9)2(-4)452
200600000006000-8760000
-1600900000002900-6690000000
108-5×
1075.8×
1036.17×
-1.1×
108-5.94×
105-7.2×
108-1.29×
0.000076(精确到万分位)1.26121(精确到十位)
0.298653(精确到0.1)0.00659(精确到0.001)
(-—)2(-5)2(-4)212
-70000-5000008500000-4030000
9000000-2800000030000-7450000
5×
1046×
103-7×
107-8.62×
3.5×
104-8.85×
1075.1×
1037.56×
0.000988(精确到万分位)0.86498(精确到个位)
80.2427(精确到0.001)0.00857(精确到0.1)
(-—)2(-3)2(-4)433
-300-500000004800000-7050000
9001600000480000-651000000
103-4×
1034.8×
1066.02×
9.3×
103-7.43×
1049.3×
106-1.07×
0.000082(精确到万分位)20.0325(精确到个位)
60.9824(精确到0.001)0.0888(精确到0.1)
(-—)2(-2)2(-3)4102