初一数学上册科学计数法和近似数105Word下载.docx
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1×
1039×
1077.4×
1065.36×
-9×
1061.01×
1056.4×
102-8.51×
0.000942(精确到万分位)560.833(精确到十分位)
0.79832(精确到0.001)0.0938(精确到0.001)
3
(-—)2(-6)2(-1)342
4
-50030000760000-194000000
-9000190000037000000-3580000000
2×
103-4×
106-9.1×
107-6.94×
103
-5.3×
103-9.79×
107-1.2×
103-4.55×
105
0.000977(精确到万分位)24.0003(精确到十分位)
82.2917(精确到0.001)0.00758(精确到0.01)
(-—)2(-10)3(-1)222
-19000000-9000200-795000
-17000020000730000-32600000
-7×
1056×
106-4.9×
1052.31×
9.4×
107-2.16×
1088.9×
108-5.42×
102
0.000781(精确到万分位)9.36443(精确到个位)
2.82963(精确到0.001)0.0831(精确到0.001)
5
(-—)2(-5)3(-4)282
-9000000-50000000500000-887000
-15000000-130005000000-1720000000
1087×
1035.3×
1027.64×
107
-3.3×
1026.46×
105-1.5×
105-8.02×
0.000787(精确到万分位)2263.01(精确到十位)
1.62648(精确到0.01)0.00595(精确到0.01)
(-—)2(-7)2(-3)372
19000000-40000001700000-74200000
-300-31000072000-8070000000
3×
102-4×
1088.5×
1058.89×
8×
106-2.6×
108-2.1×
108-9.06×
0.0000663(精确到万分位)90257.2(精确到个位)
0.251043(精确到0.01)0.00517(精确到0.001)
(-—)2(-6)3(-4)252
1500700000093000-58900000
-1500005000000039000000-245000000
7×
106-8×
1055.4×
105-1.55×
-4.4×
1056.75×
1089.7×
1076.2×
0.000577(精确到万分位)6.39159(精确到十位)
64.9684(精确到0.1)0.00972(精确到0.001)
(-—)2(-5)2(-1)2103
1900000070000000450000-235000
-180004000000970000-251000
1082×
105-2×
1036.68×
103-2.13×
1029.5×
104-3.87×
0.0000778(精确到万分位)49.7098(精确到十位)
7.58373(精确到0.01)0.0859(精确到0.01)
(-—)3(-4)2(-2)3102
11000800000002500000-1760000
-1700000-42000100000-853000000
1072×
1072.3×
1048.06×
7.4×
104-8.26×
107-8.9×
108-8.93×
0.0000617(精确到万分位)6806.29(精确到十分位)
7.85887(精确到0.1)0.00837(精确到0.1)
(-—)2(-7)3(-1)362
-11000000800000750000-8550000
-160000001800800000-34700
106-2×
108-1.9×
108-7.15×
1.7×
102-4.65×
104-7.9×
1066.49×
108
0.00079(精确到万分位)77526.5(精确到个位)
0.978737(精确到0.001)0.0828(精确到0.001)
(-—)2(-10)3(-3)332
-15000030000070000-420000
-120000170038000-410000
6×
104-6×
105-2.3×
107-2.8×
6.7×
102-1.56×
1079.3×
1088.52×
0.0000814(精确到万分位)87.3223(精确到十位)
69.9205(精确到0.1)0.00672(精确到0.01)
(-—)3(-6)2(-2)462
-170000200000007000-444000000
-150000-250000000130000-72400
5×
108-8×
103-4.7×
1072.41×
-5.5×
108-3.04×
1047×
1067.65×
0.0000689(精确到万分位)121.547(精确到十位)
0.353862(精确到0.01)0.0538(精确到0.1)
(-—)3(-3)2(-4)282
700200003300-947000
17000002100092000-66800
-4×
1024×
106-6.5×
108-4.93×
-8.2×
102-7.83×
1057×
105-6.21×
0.0000795(精确到万分位)8.00623(精确到十分位)
7.99702(精确到0.001)0.0627(精确到0.001)
(-—)2(-3)2(-2)442
-200000002009200-859000000
1700-380031000000-697000000
-5×
107-8×
1025.7×
102-4.7×
-7.5×
1088.74×
108-8.5×
1048.27×
0.000866(精确到万分位)828.413(精确到十位)
59.1776(精确到0.1)0.0877(精确到0.001)
(-—)2(-1)2(-4)473
-10000-900000004500000-98800000
-14000000-1000000023000000-33000000
-3×
105-7×
105-5×
107-4.12×
8.1×
1079.14×
1029.6×
106-9.82×
0.000818(精确到万分位)0.302349(精确到个位)
0.985729(精确到0.001)0.00507(精确到0.1)
(-—)2(-8)3(-3)342
60000-20000770000-3860000000
-4000000-140000390000-16500000
-2×
107-3×
105-1×
1077.3×
-6.3×
107-8.55×
103-9.2×
108-3.83×
0.000896(精确到万分位)14419.8(精确到个位)
0.871823(精确到0.1)0.0065(精确到0.001)
(-—)3(-4)2(-1)252
-300000-40008800-6740000
-1300000026000000071000-961000
-6×
1028×
103-7.7×
1027.08×
-1×
1031.95×
1045.9×
103-3.18×
0.000797(精确到万分位)91004.4(精确到十分位)
9.95246(精确到0.1)0.00988(精确到0.1)
(-—)3(-10)2(-3)492
1400-200002400-196000000
-500048000007800000-325000
1023×
104-5.8×
108-6.01×
-3.1×
103-1.82×
104-9.9×
108-5.17×
0.0000527(精确到万分位)52.1795(精确到十位)
8.74823(精确到0.1)0.0726(精确到0.1)
6
(-—)2(-5)2(-4)383
-1700000-90000003500-443000000
-1200000100000023000000-787000000
1021×
1065.9×
104-3.43×
2.1×
102-4.92×
103-3.3×
108-8.82×
0.000094(精确到万分位)2910.36(精确到个位)
0.923698(精确到0.001)0.00554(精确到0.001)
(-—)3(-10)2(-1)363
1、用科学记数法表