初一数学上册科学计数法和近似数207文档格式.docx
《初一数学上册科学计数法和近似数207文档格式.docx》由会员分享,可在线阅读,更多相关《初一数学上册科学计数法和近似数207文档格式.docx(17页珍藏版)》请在冰豆网上搜索。
-8×
1086×
1058.6×
106-5.05×
102
-8.5×
1041.99×
1044.3×
1087.4×
0.000058(精确到万分位)0.491644(精确到十分位)
77.2748(精确到0.001)0.0784(精确到0.1)
1
(-—)2(-3)2(-1)452
2
500-700000005100000-5300000000
-8000003700530000-71000000
105-7×
103-1.6×
1063.52×
5×
102-5.95×
108-9.3×
107-6.4×
103
0.000733(精确到万分位)45.5387(精确到个位)
82.3952(精确到0.001)0.00752(精确到0.001)
(-—)2(-10)2(-1)213
3
8000-30008900000-53400000
-300-6000000017000000-553000
2×
1021×
108-9×
1042.38×
105
6.6×
103-1.97×
1088×
1034.76×
0.000785(精确到万分位)8.95274(精确到十分位)
33.772(精确到0.1)0.00989(精确到0.01)
6
(-—)3(-3)3(-4)393
10000060000001000-4840000
1800000-120000600000-959000000
-4×
108-1×
1028.3×
1051×
-5×
103-1×
102-2.8×
102-3.79×
0.0000502(精确到万分位)9160.15(精确到个位)
0.611548(精确到0.1)0.0615(精确到0.001)
(-—)2(-2)3(-4)463
-120000-40000003000-435000
-6000050000069000000-84000000
-7×
106-7×
1086.6×
106-2.41×
5.5×
1075.21×
103-3×
1024.4×
0.000748(精确到万分位)782.145(精确到十分位)
28.4971(精确到0.001)0.00912(精确到0.01)
(-—)2(-7)2(-4)323
-1200009000007800000-437000
-1900-2003000-47700
1084×
108-7.9×
106-2.96×
104
3.2×
103-2.5×
1034.3×
1086.17×
0.000571(精确到万分位)96.7424(精确到个位)
0.243563(精确到0.01)0.0895(精确到0.001)
(-—)2(-7)3(-2)473
70000-4000007100-89600000
-1900-2100000005400000-526000000
-9×
105-3×
1049.9×
102-8.3×
-4.7×
105-8.92×
107-4.3×
105-3.6×
0.0000583(精确到万分位)7497.8(精确到十位)
6.77847(精确到0.001)0.0869(精确到0.01)
(-—)3(-8)3(-4)313
-1900000-300000084000000-98600000
-19000-16000000750000-10000000
7×
103-9×
1046.9×
1034.74×
3.1×
103-4.2×
1043×
104-4.38×
0.0000986(精确到万分位)0.34079(精确到个位)
77.0795(精确到0.001)0.0985(精确到0.1)
(-—)2(-10)2(-3)392
-1400100000096000-146000
-120004400077000-8310000
6×
1046×
106-3.8×
106-4.12×
9.4×
102-5.74×
1022.2×
1041.28×
0.0000546(精确到万分位)0.448897(精确到十分位)
36.5544(精确到0.01)0.0702(精确到0.01)
(-—)2(-8)3(-1)412
8000000-9000007400000-9610000
20000021000039000-59600
8×
1083×
1047.5×
1066.67×
1059.36×
1032.6×
1076.08×
0.000621(精确到万分位)4.98383(精确到个位)
44.6397(精确到0.1)0.0844(精确到0.001)
(-—)3(-10)2(-2)322
-4000006009400000-53700000
190000016000000092000000-95000000
-3×
1036×
105-2.6×
1049.01×
5.6×
1029.9×
1058.4×
106-3.28×
0.0000672(精确到万分位)95993.4(精确到个位)
2.05162(精确到0.001)0.0858(精确到0.01)
(-—)3(-1)3(-2)333
9000003000002900000-2100
-9000-4100000002500000-768000
1075×
1081.4×
104-6.98×
-4.3×
1075.95×
106-7.4×
108-5.19×
106
0.000579(精确到万分位)0.626513(精确到十分位)
8.68254(精确到0.001)0.0613(精确到0.001)
(-—)2(-4)2(-4)292
-2000030000000840000-3130000
-1400-110000018000000-562000
104-3×
108-6.2×
106-1.07×
-8.6×
1035.92×
1046.2×
107-5.61×
0.000551(精确到万分位)71.1008(精确到十分位)
5.96874(精确到0.001)0.0083(精确到0.01)
(-—)3(-4)2(-1)453
-1400000-200009300-736000
600000-29000000071000000-568000
1022×
1066×
1024.96×
6.8×
104-5.47×
105-1.3×
1068.33×
0.0000762(精确到万分位)10.841(精确到十位)
3.62574(精确到0.1)0.0739(精确到0.1)
(-—)2(-3)3(-1)373
-100000300040000000-800000
900030000009200-9750000
103-5×
1066.4×
1057.43×
7.6×
108-6.78×
107-8.5×
1073.89×
0.000974(精确到万分位)66.6212(精确到个位)
0.200798(精确到0.1)0.00652(精确到0.1)
(-—)2(-5)3(-4)432
-17000400000023000-4190000
60026004900000-7060000
1057×
1026.2×
1081.88×
7.8×
1062.66×
107-9.5×
106-2.8×
0.000893(精确到万分位)275.147(精确到十分位)
10.3353(精确到0.001)0.00896(精确到0.01)
(-—)2(-7)2(-1)413
-180000-30000630000-72200000
2000-4700000073000-96900000
1024×
105-1.7×
105-5.61×
103-4.12×
1046.3×
103-2.2×
0.000583(精确到万分位)0.889439(精确到十位)
0.651464(精确到0.001)0.0921(精确到0.01)
(-—)3(-7)3(-3)452
180001000023000-4000000
14000000150000040000-926000
1078×
105-6.9×
1068.5×
9.9×
1034.6×
102-6.9×
1032.26×
0.000594(精确到万分位)30.3867(精确到十位)
86.0433(精确到0.01)0.00839(精确到0.1)
(-—)3(-3)2(-3)493
-140000-20000000690000-820000