初一数学上册科学计数法和近似数84Word文档格式.docx
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7×
108-6×
108-5.1×
1039.09×
-9.1×
1071.11×
1037.8×
1024.34×
105
0.0000767(精确到万分位)7618.86(精确到十位)
53.6606(精确到0.01)0.00925(精确到0.1)
(-—)2(-10)3(-4)4102
7000700003700000-2420000
-11000003300003100-253000
-3×
104-6×
1072.7×
1069.17×
107
5.9×
102-7.59×
1046.7×
1048.51×
102
0.000851(精确到万分位)5.38863(精确到十分位)
56.0732(精确到0.1)0.00556(精确到0.001)
(-—)2(-4)3(-1)212
2
700000060000001200-24000000
500037000000910000-8110000
-7×
102-5×
1026.8×
1048.48×
8×
1041.33×
1075.3×
106-5.64×
0.000592(精确到万分位)80836(精确到个位)
3.6091(精确到0.01)0.0774(精确到0.01)
4
(-—)3(-4)3(-3)383
5
1200000-400000012000-45300
-1100-290012000000-65400000
3×
1026×
1021.5×
103-2.82×
-1.7×
105-3.17×
105-9.6×
106-6.42×
0.00098(精确到万分位)545.24(精确到个位)
0.415217(精确到0.01)0.00909(精确到0.001)
(-—)3(-4)3(-1)282
-500-10000000300000-6070000000
-170000310000470000-1300
1044×
102-3.7×
102-7.37×
108
-8×
106-8.23×
1025.8×
106-9.84×
0.000688(精确到万分位)0.125455(精确到十分位)
0.769365(精确到0.01)0.00858(精确到0.1)
(-—)2(-4)2(-2)233
-900-1006900-98500000
-1000044000033000-9520000
2×
1037×
1036×
106-1.94×
-6.9×
1037.45×
106-5.4×
1035.43×
0.000667(精确到万分位)30666.6(精确到个位)
75.1932(精确到0.01)0.0864(精确到0.1)
(-—)2(-5)3(-3)462
20000000400000006500-2140000
1400050000000720000-5470000000
-6×
103-3×
1039.1×
1071.49×
7.8×
1068.39×
1044.7×
102-6.93×
0.0000579(精确到万分位)32471.4(精确到十分位)
75.511(精确到0.001)0.00512(精确到0.001)
(-—)3(-10)3(-2)312
-9000080000006300-2550000
-110000003200900000-519000
1×
105-8×
106-4.5×
102-2.26×
-5.1×
106-7.64×
102-9.4×
1083.08×
103
0.000645(精确到万分位)78527.3(精确到十分位)
7.61218(精确到0.001)0.0581(精确到0.01)
6
(-—)2(-10)3(-1)252
-19000000-100000008000000-535000
4000000-500000003300-200000000
107-8×
1088.9×
104-1.15×
-9.5×
104-3.5×
102-1.1×
102-9.24×
0.0000823(精确到万分位)76.271(精确到个位)
71.153(精确到0.001)0.00669(精确到0.001)
(-—)2(-4)2(-2)262
1600000-2000000073000000-46400
10000-3000000057000-20000
-5×
1038×
1073.1×
1054.78×
-8.8×
102-6.18×
1051.3×
103-4.51×
0.000096(精确到万分位)4.45145(精确到十位)
1.3177(精确到0.001)0.0951(精确到0.01)
(-—)2(-6)2(-2)342
11002000040000000-17600000
-100-350000045000-7300000000
1084×
106-6.7×
1022.9×
-6.8×
105-8.76×
107-6.8×
1028.41×
0.00096(精确到万分位)57.7936(精确到十位)
0.887036(精确到0.01)0.00826(精确到0.001)
(-—)3(-5)2(-1)273
-500000-500001800-80100
1500000030000570000-2230000
106-5×
1064×
105-5.14×
9.7×
105-5.18×
108-4.7×
1047.75×
0.0000711(精确到万分位)8855.72(精确到十位)
93.0837(精确到0.001)0.0871(精确到0.001)
(-—)3(-2)2(-4)262
-300-3000051000000-763000
200000-180000002400-50900000
103-5×
1071.3×
102-1×
-4.6×
1055.37×
1062.7×
1055.15×
0.0000693(精确到万分位)0.728799(精确到个位)
0.810769(精确到0.01)0.00817(精确到0.1)
(-—)3(-2)2(-1)483
7000000-10000240000-296000
-1900016001300000-14700
107-4×
108-2.2×
108-9.14×
-5.4×
105-6.18×
102-3×
102-4.5×
0.000977(精确到万分位)878.561(精确到十分位)
86.8921(精确到0.001)0.00717(精确到0.01)
(-—)2(-2)3(-2)393
-50000900020000-1500000000
190007000001600000-386000
1052×
1055.3×
1028.28×
-6.1×
108-7.22×
1085×
1079.87×
0.0000664(精确到万分位)9.51891(精确到个位)
77.9136(精确到0.001)0.0526(精确到0.01)
(-—)2(-2)2(-3)382
-1700070000006500000-456000
1400000035000000079000000-885000000
-1×
1046×
102-2.5×
1048.43×
-2×
1043.79×
1053.3×
105-2.65×
0.0000771(精确到万分位)15.886(精确到十位)
44.751(精确到0.001)0.00572(精确到0.1)
(-—)2(-6)2(-2)242
-1100000400009100-52800000
7000000-420036000-806000000
9×
106-4×
102-9×
106-7.8×
4.5×
106-2.41×
1082.7×
108-8.63×
0.0000664(精确到万分位)7849.6(精确到十位)
0.569979(精确到0.001)0.0767(精确到0.1)
(-—)2(-1)3(-1)462
600000-10000300000-710000000
14000000-280000055000-35000
1058×
102-4×
104-5.85×
3.9×
1033.21×
1026.3×
105-7.13×
0.0000806(精确到万分位)6.50692(精确到十分位)
8.96583(精确到0.001)0.0759(精确到0.1)
(-—)3(-2)3(-1)422
11000-1000