初一数学上册科学计数法和近似数78Word格式.docx
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初一数学上册科学计数法和近似数78Word格式.docx
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7×
1039×
1054.4×
1077.85×
-8.8×
1044.5×
106-9.4×
104-5×
108
0.000945(精确到万分位)2.73688(精确到十分位)
2.61096(精确到0.1)0.0697(精确到0.1)
(-—)3(-10)2(-2)433
5
-500000-10000056000-94600
-700-500033000000-405000000
-6×
1081×
1043.6×
1042.44×
103
4.7×
104-3.65×
105-5.7×
1086.27×
102
0.0000584(精确到万分位)0.136331(精确到个位)
13.6647(精确到0.01)0.0806(精确到0.01)
3
(-—)2(-2)3(-2)2102
-5000-10000080000-1070000
400-230000098000000-2210000000
1×
1033×
1029.9×
108-8.29×
7.1×
108-6.83×
1083.1×
1081.63×
106
0.000577(精确到万分位)0.731366(精确到十位)
7.43701(精确到0.001)0.0526(精确到0.01)
(-—)3(-1)3(-3)472
-50000300005000000-23100
300000-200000064000-830000000
-3×
1063×
102-5.5×
106-2.89×
8.3×
108-5.65×
1056.8×
1021.93×
0.0000505(精确到万分位)902.853(精确到十位)
86.0793(精确到0.001)0.0071(精确到0.01)
4
(-—)3(-4)2(-2)243
300000500003000-11300
160000004000000830000-83600
-4×
1041.7×
1088.44×
9.5×
1025.4×
1052.8×
1071.24×
0.000864(精确到万分位)17011.8(精确到十位)
6.13121(精确到0.001)0.00592(精确到0.1)
(-—)2(-5)3(-3)482
-6000060000001400000-657000
1300-70000073000-500
-1×
1049×
108-5.7×
1044.61×
3.8×
1056.19×
1037.7×
1083.39×
0.0000814(精确到万分位)25.046(精确到十位)
0.232427(精确到0.01)0.0918(精确到0.001)
(-—)2(-4)3(-3)283
6000000-90000020000000-427000
900000-4700009000-5300000
2×
1038×
103-1.8×
1039.19×
-7.4×
108-8.82×
104-2.2×
1081.33×
0.000829(精确到万分位)9.42581(精确到十位)
5.76504(精确到0.001)0.0965(精确到0.001)
(-—)3(-5)2(-1)452
100000-500000099000000-5050000
-2000-40000000043000000-176000
6×
1067×
1081.2×
1081.99×
5.8×
1028.15×
1036.1×
107-6.37×
0.000945(精确到万分位)871.82(精确到十位)
96.9888(精确到0.1)0.00848(精确到0.001)
(-—)3(-2)2(-2)2103
-1500000-6008900-34000000
-1300017000000089000-677000000
-2×
1044×
1089.8×
106-7.98×
-6.7×
1073.15×
1051.4×
1052.57×
0.0000571(精确到万分位)9.16349(精确到十分位)
72.2269(精确到0.1)0.00787(精确到0.01)
(-—)2(-4)2(-3)213
-3000000900005600000-80000
-140000-390000000450000-14700
102-1×
1044.3×
105-8.26×
-4.6×
106-4.54×
1032.9×
1035.63×
0.000983(精确到万分位)664.815(精确到个位)
5.34761(精确到0.1)0.00502(精确到0.1)
(-—)3(-9)2(-4)412
-100000-800090000-598000000
-11000-30000098000000-78000
1089.4×
1048.63×
7.9×
1082.48×
103-8.6×
1072.47×
0.0000968(精确到万分位)91510.9(精确到个位)
0.869237(精确到0.1)0.0679(精确到0.001)
(-—)3(-9)3(-1)383
900200054000-20300
-400004300064000000-51000
1043.9×
1049.34×
7.5×
107-4.13×
106-2.2×
105-1.34×
0.00056(精确到万分位)393.942(精确到个位)
90.5014(精确到0.01)0.00788(精确到0.01)
(-—)2(-2)3(-3)212
-1800000600830000-40500000
-150000-18000024000-441000000
102-3×
102-8.5×
1071.5×
-6.5×
1026.98×
1032.6×
104-4.41×
0.000834(精确到万分位)12.8648(精确到十位)
3.33182(精确到0.001)0.00578(精确到0.001)
(-—)2(-8)2(-1)273
-17000700000003000-1320000000
300000-28008500000-838000
107-6×
104-5.9×
1035.5×
-3.3×
102-9×
102-4.5×
108-5.46×
0.0000573(精确到万分位)56238.6(精确到个位)
0.548558(精确到0.01)0.0871(精确到0.1)
(-—)2(-8)2(-1)373
1000000-100003500-3460000000
2000-80000002000-5330000000
1036×
1033.7×
1062.09×
4.3×
1036.32×
1048.4×
1037.48×
0.000765(精确到万分位)35033.7(精确到十分位)
4.33919(精确到0.001)0.0661(精确到0.01)
(-—)2(-4)2(-2)4102
-1400000040000000440000-5020000
180000-3500000032000000-851000
5×
108-6×
1047.3×
1053.35×
-9.4×
1078.39×
107-3.4×
1061.76×
0.0000793(精确到万分位)0.111605(精确到十位)
59.223(精确到0.001)0.00632(精确到0.01)
(-—)3(-1)3(-1)242
1700-20000004400000-800000
1100000-470000090000-1310000
1071×
1065.2×
102-5.37×
-5×
105-4.35×
1083×
1056.08×
0.000815(精确到万分位)8.78808(精确到十分位)
8.11742(精确到0.001)0.0887(精确到0.01)
(-—)2(-2)2(-2)422
-1000-8000096000-957000
11000000-450000006500-34400000
3×
108-2×
108-9.3×
102-5.55×
-9.7×
105-1.36×
1086.7×
1029.27×
0.0000733(精确到万分位)1410.42(精确到十分位)
0.565728(精确到0.01)0.0823(精确到0.1)
(-—)2(-8)2(-3)282
-6000000-800055000
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