初一数学上册科学计数法和近似数174Word下载.docx
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-2×
1076×
1063.7×
1048.01×
108
-5.6×
1063.77×
1031.2×
1037.84×
106
0.000733(精确到万分位)508.619(精确到十位)
30.6413(精确到0.1)0.0983(精确到0.001)
1
(-—)3(-8)3(-2)392
2
15000050000008400000-22700000
1100-900000680000-5940000000
8×
1029×
104-9×
1057.85×
-1.6×
106-7.57×
103-1.8×
108-8.39×
107
0.0000903(精确到万分位)19390.5(精确到十位)
4.71428(精确到0.01)0.0673(精确到0.1)
6
(-—)3(-5)2(-2)223
20000000-500000031000-1250000000
200012000000018000000-692000
108-8×
1037.8×
102-8.26×
5.6×
102-5.93×
1071.8×
1039.6×
0.0000937(精确到万分位)98.9213(精确到十位)
65.9033(精确到0.1)0.076(精确到0.01)
3
(-—)2(-9)2(-1)353
-8000000-70007600000-3640000000
-1700090007000000-915000000
5×
103-3×
1056.2×
105-5.38×
102
-2.6×
107-4.6×
1075×
1085×
103
0.0000923(精确到万分位)87874.2(精确到十分位)
29.923(精确到0.001)0.00699(精确到0.01)
(-—)3(-9)2(-2)343
20000002007500-29600
1900-14000000045000000-10200000
1×
1039×
106-5.8×
1073.24×
-7.3×
1054.69×
102-8.9×
1035.44×
0.0000519(精确到万分位)7964.31(精确到十位)
95.872(精确到0.01)0.0773(精确到0.1)
(-—)3(-8)3(-2)472
-8000006000022000-508000000
-100000004300000800000-740000000
6×
104-3×
108-8.9×
105-2.46×
-8.8×
1034.12×
107-3.5×
104-8.2×
0.000635(精确到万分位)41780.2(精确到十分位)
71.0265(精确到0.1)0.0613(精确到0.01)
(-—)2(-3)2(-2)263
170000006000062000-5480000
-19002800000005000000-98400000
1055×
102-4.1×
106-3.38×
-2.7×
106-4.78×
108-7.3×
108-1.31×
0.000757(精确到万分位)16027.4(精确到个位)
32.8009(精确到0.01)0.00834(精确到0.1)
(-—)2(-4)2(-3)363
200-2000000070000000-3910000
1200-26000000044000000-889000
4×
1043×
1048.7×
104-5.88×
-3.4×
107-6.44×
106-1.2×
104-5.44×
0.000792(精确到万分位)0.767895(精确到十分位)
1.64443(精确到0.1)0.0618(精确到0.01)
(-—)3(-8)3(-4)252
1400000090009200000-50700
-10000-310019000000-1900
106-5×
1084.9×
108-3.11×
8.7×
1026.79×
1067.4×
1064.57×
0.0000855(精确到万分位)42.2332(精确到十分位)
6.63577(精确到0.1)0.0856(精确到0.1)
(-—)2(-4)2(-3)482
17000-10000074000-530000
6000-3100000001700-9750000
105-1×
1039.3×
1086.44×
4.8×
1053.53×
106-8.5×
1045.78×
0.000511(精确到万分位)7224.47(精确到十分位)
4.68902(精确到0.01)0.0941(精确到0.01)
(-—)3(-1)2(-2)423
-400-90002100000-920000000
-1600-3100000007600-62000
107-5×
105-2.8×
102-9.06×
4.4×
105-9.6×
106-7×
105-1.93×
0.0000914(精确到万分位)68.8875(精确到个位)
5.81701(精确到0.01)0.00586(精确到0.1)
(-—)2(-4)3(-3)392
-20000-60000005600000-140000
1700300000049000-337000000
-4×
1037×
1031×
1086.62×
-2.4×
106-6.32×
1021.3×
104-1.81×
0.000054(精确到万分位)66888.8(精确到十位)
74.4997(精确到0.1)0.0627(精确到0.001)
(-—)3(-6)3(-4)473
-20000007000000800000-5060000000
200000-4800000002900-3020000
102-7×
1071.4×
108-7.34×
108-5.32×
1058.8×
1087.51×
0.0000864(精确到万分位)62015(精确到个位)
4.39846(精确到0.1)0.0571(精确到0.001)
(-—)3(-2)3(-4)232
-1600-7000059000000-40400000
-19001500000005900000-46700
-3×
1057×
1061.3×
1038.07×
6.2×
104-3.73×
102-7.5×
107-9.17×
0.000543(精确到万分位)0.563905(精确到十分位)
46.5171(精确到0.001)0.0595(精确到0.01)
(-—)2(-4)3(-1)262
20000-3000000018000-86200
15000027000740000-8560000
-1×
1046×
104-8×
1022.76×
-8.4×
1048.81×
102-2.9×
107-7.35×
0.0000799(精确到万分位)0.23775(精确到十分位)
9.39185(精确到0.1)0.0853(精确到0.001)
(-—)2(-1)3(-1)433
1000-900001700000-2240000000
-1100000-50000000065000000-71000
1083×
1027.9×
1082.11×
5.2×
102-6.39×
104-9.1×
104-4.46×
0.0000754(精确到万分位)1.05587(精确到十位)
0.541244(精确到0.001)0.0619(精确到0.01)
(-—)3(-10)3(-3)212
1500200004100-17000
60000120000000900000-5960000000
107-9.5×
105-8.01×
-4.1×
1057.46×
107-2.1×
103-7.99×
0.0000598(精确到万分位)214.339(精确到个位)
0.494809(精确到0.1)0.0092(精确到0.01)
(-—)2(-4)3(-1)292
2000900000009000-318000
-1600000-400000630000-61700
1058×
1036.5×
108-8.55×
6.8×
1053.05×
106-9.8×
107-6.3×
0.000626(精确到万分位)140.632(精确到个位)
8.36001(精确到0.1)0.00707(精确到0.001)
(-—)3(-10)2(-2)333
19