初一数学上册科学计数法和近似数73Word格式.docx
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初一数学上册科学计数法和近似数73Word格式.docx
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3×
108-3×
1027.6×
1078.28×
102
8.6×
108-3.08×
104-2.3×
1066.46×
108
0.000998(精确到万分位)28987.6(精确到个位)
81.4896(精确到0.1)0.0897(精确到0.001)
4
(-—)2(-9)3(-1)413
-18000-3000052000-64100
500000-80008400000-5840000000
7×
1043×
102-2.9×
107-2.9×
107
4.2×
1041.07×
108-1.8×
104-4.05×
0.000053(精确到万分位)4673.04(精确到十位)
0.184647(精确到0.1)0.0651(精确到0.1)
(-—)3(-4)3(-4)412
1800000-5000000061000000-9030000
16000-10029000-4910000
5×
103-9×
107-4.8×
1044.62×
-9.4×
1046.64×
105-6.4×
1061.01×
0.000614(精确到万分位)8283.62(精确到个位)
2.14762(精确到0.01)0.0969(精确到0.01)
(-—)2(-6)3(-3)312
12000000-10000067000-593000000
-17000000490000018000-77100
1022×
1041.3×
1046.35×
103
5.7×
103-2.91×
104-4.2×
104-7.3×
0.0000994(精确到万分位)16.5147(精确到十位)
77.2638(精确到0.01)0.0558(精确到0.1)
1
(-—)3(-8)2(-3)462
5
100008000001600000-77900000
-7000220033000000-271000
9×
1085×
1023.6×
108-3.15×
-6.7×
103-8.69×
1025.2×
1067.42×
0.000543(精确到万分位)2.40511(精确到十位)
44.4281(精确到0.01)0.0747(精确到0.1)
(-—)3(-8)3(-1)322
-6000-50000000230000-430000
20000-4400002500-5790000
-9×
105-2×
105-4.1×
107-5.26×
-8.1×
1035.51×
1073.6×
1071.63×
0.0000633(精确到万分位)8.2633(精确到个位)
0.828479(精确到0.1)0.0514(精确到0.001)
(-—)2(-6)2(-4)213
900000800096000-4460000
60000-4500000760000-533000000
2×
108-2×
1024.7×
108-9.59×
-8.4×
1038.09×
107-9.4×
1021.88×
0.000814(精确到万分位)0.426797(精确到个位)
94.0558(精确到0.001)0.0547(精确到0.001)
(-—)3(-10)3(-2)433
400900000850000-158000
8000110000085000-181000000
-3×
1048×
108-4×
1037.29×
-5.7×
1026.36×
106-8.1×
1062.75×
0.000574(精确到万分位)3060.24(精确到十分位)
29.9133(精确到0.1)0.0859(精确到0.1)
(-—)2(-8)2(-3)212
400-30000880000-134000000
-100000470000007000-9250000000
-4×
1025×
1068.8×
1027.92×
-2.9×
1025.01×
1058.1×
104-1.33×
0.000558(精确到万分位)0.117399(精确到十分位)
3.62199(精确到0.01)0.075(精确到0.001)
6
(-—)3(-7)3(-3)283
-11000090000044000-5760000
160000-1000000005500000-4830000
-7×
1051×
105-6.6×
1075.26×
-5×
108-8.46×
106-2.9×
106-9.52×
0.000698(精确到万分位)274.297(精确到十位)
68.6054(精确到0.1)0.0741(精确到0.01)
(-—)3(-10)2(-1)263
-2000080000000590000-2860000
-160028000220000-141000000
8×
1044×
104-8.4×
1049.05×
-6.1×
1071.9×
1026.7×
105-2.57×
0.0000887(精确到万分位)354.08(精确到十位)
0.532408(精确到0.001)0.0691(精确到0.001)
(-—)2(-2)3(-4)393
-19000000-500003100-60000
-600000-28000000038000-912000000
1×
1063×
106-1.5×
1052.36×
1033.47×
1082.2×
104-6.89×
0.0000852(精确到万分位)534.216(精确到十分位)
6.8524(精确到0.01)0.0582(精确到0.1)
(-—)3(-7)2(-1)383
-4000007000087000-80000000
-700000-390097000000-94100000
103-7×
102-8.3×
1068.99×
-7.4×
108-8.59×
104-2.5×
1043.84×
0.0000858(精确到万分位)71147.7(精确到十分位)
0.927823(精确到0.01)0.00511(精确到0.001)
(-—)2(-1)3(-4)213
200-80000008800000-530000000
-30000-2400000800000-793000000
1065×
1038.7×
1073.34×
-2.6×
1077.61×
1075.6×
105-2.35×
105
0.0000726(精确到万分位)131.642(精确到十位)
0.157109(精确到0.1)0.0675(精确到0.001)
(-—)3(-5)2(-4)312
-400080005900000-8900000
1200-280007300-230000000
1045×
104-8.3×
103-6.31×
-4.9×
1026.46×
104-9.3×
107-5.06×
0.000924(精确到万分位)473.382(精确到个位)
39.9575(精确到0.001)0.00555(精确到0.01)
(-—)3(-8)3(-3)392
120000040000088000-8100000000
10000-250000054000-958000
102-3×
105-6.7×
107-2.5×
102-5.47×
1068.1×
1039.13×
0.0000787(精确到万分位)3703.46(精确到个位)
2.1582(精确到0.1)0.00976(精确到0.001)
(-—)2(-3)3(-2)433
1000060098000000-27900
-13000-4400000008600-829000000
1077×
1024.1×
107-5.03×
-8.2×
106-3.88×
108-5.2×
1062×
0.000545(精确到万分位)0.918102(精确到十位)
0.415852(精确到0.1)0.0772(精确到0.001)
(-—)2(-1)2(-4)323
100000-3000059000-8320000
1200000025000099000-26800000
1054×
102-6.4×
105-3.19×
1.3×
103-2.13×
106-8.3×
1086.96×
0.0000646(精确到万分位)0.570977(精确到个位)
28.6201(精确到0.01)0.0999(精确到0.01)
(-—)2(-4)2(-2)422
-4004
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