初一数学上册科学计数法和近似数114Word格式.docx
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初一数学上册科学计数法和近似数114Word格式.docx
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7×
108-1×
103-5×
107-7.75×
102
5.5×
108-4.57×
102-4.6×
1077.81×
0.000979(精确到万分位)4408.71(精确到个位)
48.6449(精确到0.01)0.0693(精确到0.1)
(-—)2(-10)2(-2)483
40000060000170000-1000
150000-1100070000-2800
-9×
1028×
108-3.4×
1062.37×
-2.3×
108-8.36×
1035.4×
108-1.75×
103
0.0000953(精确到万分位)1444.83(精确到十分位)
8.3429(精确到0.1)0.096(精确到0.01)
(-—)3(-9)2(-3)243
2
-20000-90000046000000-6730000000
18000000300000820000-12100000
-6×
106-7×
1075.7×
1052.2×
104
5.8×
104-5.37×
1062.3×
104-6.67×
0.0000973(精确到万分位)41.3318(精确到十分位)
6.58757(精确到0.1)0.00616(精确到0.01)
(-—)3(-4)3(-1)393
500000-700000003700-290000
1100000240000000100000-677000000
4×
1065×
104-8.73×
-6.4×
104-2.69×
1024.4×
107-7.51×
0.0000559(精确到万分位)1176.17(精确到十分位)
43.5038(精确到0.001)0.0535(精确到0.1)
(-—)2(-6)2(-1)333
5
-110000004000650000-1120000000
8000-460007000000-52500
-8×
1032×
1037×
102-4.44×
-5×
1085.27×
106-6.7×
1088.29×
107
0.000593(精确到万分位)0.752862(精确到个位)
2.99348(精确到0.01)0.0753(精确到0.001)
1
(-—)2(-7)2(-2)2102
4000000-40000011000000-4000
70000-400081000000-6820000
1042×
103-2.3×
1089.75×
8.1×
1074.08×
1053.4×
1026.99×
0.000091(精确到万分位)29052.9(精确到十位)
30.4174(精确到0.001)0.0612(精确到0.001)
(-—)3(-1)3(-4)493
6000070021000-22600
-150000003600023000-47900000
-4×
105-1×
1043×
107-6.99×
5.2×
1032.6×
1087.93×
0.0000922(精确到万分位)0.876881(精确到个位)
41.2167(精确到0.001)0.00818(精确到0.01)
(-—)3(-9)3(-1)282
9000-20000440000-700
-12000-470000190000-285000
106-1×
102-9.1×
104-7.34×
-8.8×
104-9.49×
1033.4×
1052.62×
106
0.000086(精确到万分位)25.8986(精确到个位)
0.765568(精确到0.01)0.0844(精确到0.01)
(-—)3(-2)3(-2)222
10006009500-17200000
-500000240000003600-4240000000
5×
102-4.9×
1088.38×
-4.5×
1073.45×
107-5.8×
1053.99×
0.0000939(精确到万分位)427.846(精确到十位)
38.7882(精确到0.1)0.00761(精确到0.01)
(-—)2(-6)3(-2)312
1100000-4000000070000000-784000
1200-16000000860000-952000
1064×
1073.6×
1045.12×
-2.9×
1064.1×
1056.8×
108-1.17×
0.000979(精确到万分位)0.818153(精确到个位)
0.497214(精确到0.01)0.0961(精确到0.1)
(-—)2(-1)3(-3)312
900000070000007800000-444000
-5000000-39000026000000-4740000
-3×
106-6×
1041.7×
1029.01×
-5.6×
1084.14×
104-3.4×
102-9.17×
0.000566(精确到万分位)0.235768(精确到个位)
4.53269(精确到0.01)0.00875(精确到0.001)
(-—)3(-6)2(-2)243
-1300000060000039000-798000
20000-100000035000000-17100000
-1×
1079×
1022.9×
1064.5×
6.3×
1039.83×
106-3.8×
1069.33×
0.0000868(精确到万分位)586.2(精确到十分位)
0.43091(精确到0.01)0.0577(精确到0.001)
(-—)3(-5)3(-1)273
1200000-60000009200-1310000000
12000-1500099000000-786000
107-6×
1067.7×
1075.15×
-3.2×
107-2.07×
1088×
106-4.67×
0.000999(精确到万分位)0.530117(精确到个位)
5.68596(精确到0.01)0.00543(精确到0.01)
(-—)2(-3)2(-3)323
-11000000-600000008900000-19000000
200-1200000004000-27700
1024×
1078.3×
107-8.56×
-3.9×
104-5.55×
107-2.3×
106-7.05×
0.0000756(精确到万分位)682.202(精确到十位)
9.22168(精确到0.01)0.00772(精确到0.01)
(-—)2(-5)3(-2)4103
-11000500000860000-23500000
-1000000800000450000-441000000
108-9.4×
106-8.87×
-3.1×
108-9.28×
103-7.4×
1065.08×
0.0000896(精确到万分位)697.146(精确到个位)
46.6756(精确到0.1)0.00701(精确到0.001)
(-—)2(-3)3(-2)353
4000000-80000054000-9200000
-6000000-22000710000-4780000
106-9.7×
107-6.45×
-7.4×
102-1.84×
1057.8×
102-1.5×
0.0000556(精确到万分位)9.12051(精确到十位)
96.1088(精确到0.001)0.00977(精确到0.001)
(-—)2(-6)2(-2)352
4000000-90000018000000-83800
-500000-70000006200-91600000
9×
107-3×
1045.8×
105-4.76×
1051.19×
105-7.9×
1032.64×
0.0000529(精确到万分位)20.7123(精确到十位)
1.48146(精确到0.01)0.0859(精确到0.1)
(-—)2(-2)2(-1)233
-1500000400170000-2940000000
19000003700000004700-480000000
108-4×
1044.2×
107-7.57×
7.8×
102-9.68×
1053.3×
1028.92×
0.000742(精确到万分位)0.582425(精确到个位)
0.701396(精确到0.1)0.0837(精确到0.01)
(-—)2(-5)3(-1)243
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