初一数学上册科学计数法和近似数136Word文档格式.docx
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1051×
1052.2×
1063.79×
107
-1.1×
105-8.17×
1023.8×
1027.93×
103
0.0000677(精确到万分位)87886.9(精确到十位)
67.1336(精确到0.001)0.078(精确到0.001)
(-—)2(-6)3(-1)253
2
1700000-1009700000-612000
-90027004900000-1800000
6×
102-3×
1057×
106-2.11×
105
4.9×
103-3.48×
1031.9×
106-1.07×
106
0.000935(精确到万分位)0.911229(精确到十位)
84.5699(精确到0.1)0.00702(精确到0.001)
1
(-—)2(-1)2(-2)462
-19000-700000020000-42300000
-12000500003100000-8700
4×
105-1×
103-8.9×
102-3.7×
102
9×
1034.89×
102-6.8×
107-8.49×
0.0000829(精确到万分位)0.304479(精确到十分位)
66.2011(精确到0.01)0.00504(精确到0.001)
(-—)2(-2)2(-3)443
5
400-500001200-90000000
-18000-700008700-8090000
103-2×
105-8.7×
107-8.77×
3.3×
107-2.72×
102-7.1×
106-8.4×
0.00073(精确到万分位)51899.1(精确到十分位)
0.705946(精确到0.01)0.0711(精确到0.1)
(-—)3(-4)2(-4)392
-200000-300000006800000-9330000000
19000000-190000006100-35500000
2×
104-5×
1029.5×
1024.33×
5×
1073.97×
107-4.4×
102-3.13×
0.000734(精确到万分位)395.343(精确到十位)
0.626953(精确到0.1)0.0535(精确到0.01)
(-—)2(-3)3(-4)282
6000020007000000-6760000000
-19000-900000016000-110000000
1033×
1089×
103-8.28×
107-8.5×
102-4×
106-2.96×
0.000853(精确到万分位)96.9071(精确到个位)
67.1886(精确到0.1)0.00693(精确到0.01)
(-—)3(-2)3(-4)213
180000-400000720000-84700000
10000-28000006700-2600000
-9×
1081×
1089.1×
106-3.05×
2.2×
102-6.09×
104-4.7×
105-8.66×
0.0000886(精确到万分位)27773.2(精确到十位)
0.305082(精确到0.1)0.00616(精确到0.001)
(-—)2(-9)2(-4)222
-13000004000006200-8100000
-2000000038003300000-54900
8×
1073×
105-9.3×
107-8.11×
-9.6×
1082.69×
102-4.6×
105-7.36×
0.000658(精确到万分位)0.313993(精确到十分位)
76.0757(精确到0.01)0.075(精确到0.001)
(-—)2(-2)3(-3)222
1600-500000080000-15500000
-15000000380054000000-80200
1061.5×
104-6.98×
1067.09×
104-1.8×
1026.41×
0.000086(精确到万分位)35325.8(精确到十分位)
0.711534(精确到0.01)0.0652(精确到0.1)
(-—)3(-2)2(-2)373
-17000000300001900-1590000
8000000-4100000150000-45000
-4×
1029×
104-6.7×
105-7.18×
-1.2×
1037.67×
102-8.1×
106-6.02×
0.0000575(精确到万分位)61129.9(精确到十分位)
2.63929(精确到0.001)0.0779(精确到0.001)
(-—)2(-1)2(-4)363
100-50000040000-7400000
3002100009300000-37000
3×
1036×
1059.1×
1034.4×
-2.2×
105-9.64×
1084.3×
1026.9×
0.000698(精确到万分位)70533.7(精确到十位)
51.3792(精确到0.001)0.00789(精确到0.1)
(-—)3(-10)3(-4)483
-1000000-2000069000000-8250000000
1500000-1500044000000-259000
105-7.9×
103-9.52×
9.8×
106-9.86×
1043.1×
105-7.4×
0.0000829(精确到万分位)460.594(精确到个位)
0.481576(精确到0.1)0.0674(精确到0.01)
(-—)2(-8)2(-4)332
160000-400000083000-67300
-1700-320000006600-29600000
108-3.3×
1066.59×
2.4×
105-8.78×
1051.4×
105-2.38×
0.0000768(精确到万分位)3739.37(精确到十分位)
4.17288(精确到0.001)0.0088(精确到0.001)
(-—)3(-9)2(-3)293
110000007000100000-48700000
-1700-20000000150000-35100
-5×
103-6×
1074.5×
1086.07×
107-3.79×
1055.1×
1026.86×
0.0000592(精确到万分位)41.9608(精确到十位)
0.579441(精确到0.01)0.00667(精确到0.01)
(-—)2(-7)2(-3)353
100005000002400000-3280000
-2000000380000000750000-88600
1067×
1082.6×
1065.45×
-7.3×
105-2.2×
1066.7×
106-7.41×
0.000663(精确到万分位)95493.7(精确到十位)
0.213972(精确到0.01)0.0068(精确到0.01)
(-—)2(-9)2(-3)213
-80000-400005400-1860000
-7000002100000059000-35100
1047×
103-6.2×
103-2.14×
-8.4×
1079.95×
1075.4×
108-3.59×
0.0000631(精确到万分位)68012.8(精确到十分位)
0.104962(精确到0.01)0.00971(精确到0.01)
(-—)3(-5)2(-3)242
6000000-4000000017000-7360000000
-14004900005900000-33600000
-6×
102-8×
1025.9×
105-7.74×
-9.9×
1079.85×
105-5.9×
107-5.73×
0.000654(精确到万分位)0.552541(精确到十位)
0.832601(精确到0.1)0.0623(精确到0.01)
(-—)2(-5)3(-4)492
-7000000-80005000000-7770000
-180000002500053000000-2400000000
7×
1087×
1059.2×
1049.11×
5.7×
1061.13×
106-9.3×
103-3.82×
0.0000589(精确到万分位)0.161135(精确到个位)
81.9126(精确到0.001)0.00876(精确到0.01)
(-—)2(-4)2(-2)492