初一数学上册科学计数法和近似数122文档格式.docx
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4×
106-7×
105-1.6×
1063.44×
106
3.6×
1043.54×
106-8.6×
103-4.67×
0.0000979(精确到万分位)1633.8(精确到十位)
0.266074(精确到0.01)0.0543(精确到0.001)
3
(-—)3(-5)3(-2)213
-500-400031000-692000
-2000-13000010000-11300
-6×
1052×
107-5.4×
1083.06×
-3×
1022.17×
1053.1×
1061.33×
0.000707(精确到万分位)2.40525(精确到十分位)
55.5733(精确到0.001)0.00875(精确到0.1)
(-—)2(-8)2(-3)393
-1100000-500009600000-30300
-2000023001000-20000
1037×
102-4.4×
105-1.76×
-3.9×
107-5.85×
102-5.4×
1062.91×
105
0.000728(精确到万分位)27.5381(精确到十分位)
79.6375(精确到0.001)0.0823(精确到0.01)
(-—)3(-5)3(-3)442
3000040000000920000-7470000000
-130000-1004700000-302000000
2×
1074×
1072.1×
103-5.12×
-9.4×
108-2.02×
1045×
106-5.41×
0.000594(精确到万分位)2528.94(精确到个位)
5.41193(精确到0.01)0.00806(精确到0.001)
(-—)3(-4)2(-4)242
4
17000000-5000000690000-94000
-1000-44000750000-3770000000
6×
1068×
108-2×
1074.47×
-6.2×
104-5.35×
102-1.9×
1039.58×
102
0.0000857(精确到万分位)976.87(精确到十分位)
25.9624(精确到0.001)0.0096(精确到0.001)
(-—)3(-7)3(-4)293
-140000005000004700-167000000
1200000-1500320000-189000
108-3×
108-7.6×
103-2.13×
-3.6×
102-2.54×
103-7.9×
103-7.79×
0.000506(精确到万分位)0.897886(精确到十位)
0.405054(精确到0.1)0.00606(精确到0.001)
(-—)2(-8)2(-3)242
6000007000001400000-97700
20000500060000-194000000
-8×
1023×
104-1.8×
1073.35×
104-4.59×
103-3.7×
1039.23×
0.0000532(精确到万分位)52.6341(精确到个位)
0.144886(精确到0.001)0.00859(精确到0.1)
(-—)2(-3)2(-4)223
2000600000034000000-14500000
-16004000050000-54900000
8×
1071×
108-1.8×
103-9.3×
-6.4×
1031.34×
102-9.6×
102-6.68×
0.0000804(精确到万分位)8901.04(精确到十位)
0.578509(精确到0.1)0.0087(精确到0.01)
(-—)3(-6)2(-4)333
40000009008300000-7500000
15000-2000000040000-16900000
1029×
104-4.1×
1073.21×
-2.2×
104-1.35×
1085.5×
102-1.25×
0.000567(精确到万分位)1156.25(精确到十分位)
2.63609(精确到0.01)0.00576(精确到0.001)
(-—)2(-10)3(-4)362
-19000-7000030000-1080000
7000000-430000660000-84700
107-8×
1056.7×
1052.67×
-7.7×
1072.21×
106-3.4×
1061.66×
104
0.000517(精确到万分位)56.8583(精确到十分位)
67.9259(精确到0.01)0.00825(精确到0.001)
(-—)3(-9)3(-3)293
9000-7000000053000000-169000
-14000026000002100000-51400000
-4×
1061×
1029.8×
103-9.88×
-4.4×
102-8.07×
1057.7×
106-4.62×
0.000053(精确到万分位)70818(精确到十分位)
0.601952(精确到0.1)0.00542(精确到0.1)
(-—)2(-9)3(-1)383
13000-7000000023000-656000000
-1000430050000-91800
1049×
1035.8×
108-7.65×
-2×
1083.56×
1078.6×
106-6.96×
0.0000538(精确到万分位)4.259(精确到十位)
53.8671(精确到0.01)0.00736(精确到0.1)
(-—)3(-8)2(-4)362
-1100050001400000-7260000
700000018000019000-1120000
-1×
106-5×
1067.4×
107-8.95×
1028.17×
1027.6×
1028.08×
0.0000536(精确到万分位)618.829(精确到十位)
0.989228(精确到0.001)0.00554(精确到0.01)
(-—)3(-1)2(-3)253
200000-700071000-674000000
1000000-48000006600-821000
-5×
1028×
1024.1×
1045.2×
6.8×
107-3×
106-1.4×
1038.54×
103
0.0000803(精确到万分位)0.941759(精确到十位)
3.92692(精确到0.1)0.00914(精确到0.001)
(-—)2(-9)2(-1)243
100000003000038000-769000
-10000000-29002000-4090000000
1032×
104-5.6×
106-5.36×
9×
1074.3×
108-2.5×
1033.72×
0.000824(精确到万分位)5605.46(精确到个位)
2.8099(精确到0.1)0.0869(精确到0.01)
(-—)3(-5)2(-1)3103
-500000-200096000-752000000
-2000-60000000720000-327000
7×
102-5×
102-9.3×
108-3.56×
-6.9×
104-4.78×
1035.2×
104-2.12×
0.0000804(精确到万分位)58921.9(精确到个位)
0.630549(精确到0.1)0.00648(精确到0.1)
(-—)3(-10)3(-2)223
-1400-70000003400-2390000000
-90003700800000-1200000
105-2×
107-4.4×
1037.56×
-6.1×
105-7.38×
104-2.5×
108-7.57×
0.000998(精确到万分位)57494.1(精确到个位)
3.24205(精确到0.001)0.00765(精确到0.01)
6
(-—)3(-1)3(-3)352
5
-13000-60004800-697000
-800280000610000-5300000000
103-4×
105-7.8×
108-4.07×
-9.8×
103-5.58×
103-8.1×
102-6.98×
0.000927(精确到万分位)567.238(精确到个位)
0.509733(精确到0.1)0.0561(精确到0.1)
(-—)2(-8)3(-1)272
-120009000007600