人教版七年级数学上册科学记数法和近似数综合练习题精选56Word格式文档下载.docx
《人教版七年级数学上册科学记数法和近似数综合练习题精选56Word格式文档下载.docx》由会员分享,可在线阅读,更多相关《人教版七年级数学上册科学记数法和近似数综合练习题精选56Word格式文档下载.docx(31页珍藏版)》请在冰豆网上搜索。
104-1×
103-6.2×
1081.75×
108
3.1×
1043.12×
105-2.2×
105-2.12×
105
0.000575(精确到万分位)29079.4(精确到十位)
0.296369(精确到0.01)0.0608(精确到0.1)
(-—)3(-8)2(-2)423
2
-800000-90032000000-5000000
-16000000-3700000002000-560000
8×
107-6×
1071.6×
107-7.79×
6.6×
104-5.46×
1026.6×
1036.1×
106
0.0000758(精确到万分位)8.52333(精确到十分位)
5.47275(精确到0.1)0.0851(精确到0.1)
(-—)2(-5)2(-1)363
-4000000800043000000-4900000000
11000-7006000000-581000
5×
1088×
105-5.5×
105-6.15×
2.6×
1053.67×
103-3.2×
104-1.73×
0.0000703(精确到万分位)0.699887(精确到十位)
9.6052(精确到0.1)0.00773(精确到0.001)
5
(-—)3(-8)2(-4)373
4
5000100000005900000-67200
160000006000072000-4920000000
1×
105-8×
1089×
1073.34×
-9.7×
103-1.92×
1025.4×
108-9.08×
0.000718(精确到万分位)0.131517(精确到个位)
5.53774(精确到0.01)0.0686(精确到0.01)
(-—)3(-3)3(-4)352
2000-90000000630000-567000000
-1900000-260000028000000-3060000000
-1×
1031×
106-7.3×
1047.87×
104
9.4×
1038.39×
107-5.3×
1089.77×
0.00005(精确到万分位)2.81149(精确到十位)
36.0195(精确到0.001)0.0827(精确到0.1)
(-—)2(-8)3(-3)382
50000-900008000-23400
-3000003500690000-77700
104-7×
107-8.1×
107-3.38×
2.9×
1056.31×
1037.4×
1048.26×
0.000695(精确到万分位)361.933(精确到十分位)
77.8247(精确到0.001)0.0557(精确到0.1)
(-—)3(-1)2(-3)433
-2000060023000000-15500000
1500300000002900-109000000
6×
1087.9×
1038.04×
6.8×
1029.31×
1046.7×
1044.38×
0.0000942(精确到万分位)73137.4(精确到十位)
3.16264(精确到0.1)0.00659(精确到0.001)
(-—)2(-10)3(-3)393
-70000-400000008500-179000
1600000-11000000069000-2300000000
2×
1026×
106-8.3×
103-8.03×
5.1×
104-8.63×
1065.7×
107-6.04×
0.0000675(精确到万分位)72497(精确到十分位)
0.226062(精确到0.1)0.0617(精确到0.001)
(-—)3(-1)3(-4)483
-1600-400910000-410000000
-14003800063000-1490000
1057.2×
105-5.05×
3×
106-7.6×
108-8×
1042.88×
0.0000575(精确到万分位)69760.9(精确到个位)
82.3076(精确到0.1)0.00688(精确到0.01)
(-—)2(-1)2(-3)252
5000040048000000-8440000000
17000001000078000-5970000
104-3×
1042.2×
102-5.06×
7.7×
102-5.97×
1052.3×
1049.68×
0.0000613(精确到万分位)92922(精确到个位)
3.02729(精确到0.1)0.00903(精确到0.1)
(-—)3(-8)2(-2)443
1200000090086000000-2610000000
-1200020000000081000000-31900000
1086×
108-4.5×
1082.23×
7.4×
106-7.94×
103-2.9×
105-3.5×
0.000563(精确到万分位)56.7629(精确到个位)
92.1425(精确到0.001)0.00829(精确到0.01)
(-—)3(-10)3(-3)382
13000-1000009600-903000000
1900-410000056000000-5670000
-4×
105-7×
1053×
104-1.26×
102
4.1×
108-3.9×
104-6.1×
1025.08×
107
0.000872(精确到万分位)0.69332(精确到十位)
53.5703(精确到0.001)0.00822(精确到0.1)
(-—)3(-10)2(-4)392
-1100000-300000004000-309000
200001000000001800000-5760000
7×
106-8×
1064.9×
1071.34×
-2.5×
1054.6×
107-5.7×
108-6.77×
0.000791(精确到万分位)540.685(精确到十分位)
47.4802(精确到0.1)0.0086(精确到0.01)
(-—)3(-9)2(-3)223
1800-20000012000-46000000
30000028009200000-845000
1039×
1078.8×
103-6.13×
-9.9×
104-2.95×
1025.9×
1028.68×
0.000894(精确到万分位)384.457(精确到十位)
84.0511(精确到0.001)0.0506(精确到0.1)
(-—)2(-7)2(-1)333
-70000-7001900-129000
-1600000-800000002900000-116000000
9×
106-2×
106-9.2×
1078.5×
1.8×
105-2.94×
105-7.4×
107-5.71×
0.000783(精确到万分位)51888.9(精确到个位)
23.6555(精确到0.1)0.0084(精确到0.1)
(-—)2(-6)2(-3)383
10000000-100000033000000-755000000
-19000001200000075000-584000000
108-3.1×
1056.17×
3.3×
108-4.51×
1049.9×
0.000677(精确到万分位)32949.4(精确到十位)
0.22146(精确到0.001)0.0943(精确到0.01)
(-—)2(-10)3(-4)293
1700-2009200-656000
-1800000046000000095000-4820000
1038×
102-8.5×
1051.35×
4.6×
1086.6×
1052.5×
104-4.85×
0.000766(精确到万分位)442.431(精确到个位)
0.73149(精确到0.001)0.0714(精确到0.1)
(-—)2(-10)2(-4)453
-140030005300-26000
-14000-430000000350000-73000000
107-3×
108-4.3×
108-4.16×
-9.5×
1086.45×
108-2.1×
1053.11×
0.0000694(精确到万分位)1452.8(精确到十分位)
2.73587(精确到0.01)0.0605(精确到0.1)
(-—)3(-3)2(-3)212
4