初一数学上册科学计数法和近似数150Word文档格式.docx
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-9×
1064×
102-4.9×
1033.86×
2.8×
1067.68×
1038.9×
105-6.65×
106
0.00051(精确到万分位)1460.43(精确到十位)
53.391(精确到0.001)0.00758(精确到0.01)
4
(-—)3(-4)3(-2)3102
3
13000200009300000-5310000000
-8000-27000002400000-14100
6×
104-9×
102-7.2×
1085.74×
104
-6.6×
1089.79×
106-2.1×
102-2.4×
108
0.0000932(精确到万分位)328.501(精确到十位)
1.31818(精确到0.1)0.00989(精确到0.001)
(-—)2(-10)2(-1)222
1900000080009000-510000000
140000001100055000000-6330000000
7×
102-5×
1084.2×
1045.41×
-1.1×
102-2.45×
1021.9×
1077.25×
0.0000903(精确到万分位)55.7278(精确到十分位)
0.280949(精确到0.1)0.0962(精确到0.01)
(-—)3(-4)2(-2)362
2
-14000-9000061000-891000000
60000-2000560000-14900
-4×
108-2×
107-6.7×
1032.66×
5.5×
1086.79×
107-6.9×
1054.25×
0.0000521(精确到万分位)55027.3(精确到十分位)
0.21396(精确到0.1)0.00886(精确到0.001)
(-—)2(-3)2(-4)493
-900-20000022000000-780000000
-700000-700000047000-3650000000
1023×
105-9.5×
103-4.84×
-9.3×
106-1.39×
103-2.1×
1077.22×
0.000949(精确到万分位)36126.2(精确到十分位)
0.28644(精确到0.1)0.0879(精确到0.001)
(-—)3(-10)3(-4)243
70000300086000000-6390000000
-800390053000-9800
105-7×
1039.7×
1089.77×
105
8.4×
107-5.06×
107-3.1×
1066.52×
0.000962(精确到万分位)0.548033(精确到个位)
7.62559(精确到0.01)0.00808(精确到0.1)
(-—)3(-7)3(-4)452
18000006000003300-60600000
18000-360000250000-885000
1034×
1022.5×
1023.32×
1.5×
1025.99×
1052×
106-1.46×
0.000931(精确到万分位)3137.52(精确到十位)
46.974(精确到0.1)0.00902(精确到0.001)
(-—)2(-10)3(-2)242
-12000000-500000053000000-93800
700000-17000740000-930000
104-5×
103-9.5×
1079.47×
-6.5×
1087.28×
104-1.6×
103-2.39×
0.0000584(精确到万分位)0.853266(精确到十位)
4.80989(精确到0.001)0.0787(精确到0.1)
(-—)3(-3)3(-1)432
1200000-20000053000000-123000
1700000041000046000-140000
1079×
1028.2×
103-4.32×
4×
1075.06×
102-1.1×
107-1.7×
0.000569(精确到万分位)91.4027(精确到个位)
7.05567(精确到0.001)0.0655(精确到0.01)
6
(-—)2(-9)2(-1)432
-15000-900004700-60000000
1000170001800-256000
-6×
1069.3×
1053.5×
2.5×
1067.52×
107-9.1×
1031.89×
0.0000671(精确到万分位)75.4506(精确到十位)
0.881002(精确到0.001)0.0683(精确到0.1)
(-—)3(-2)2(-2)242
4000060000000300-8500
7001005700-70900
102-4×
102-4.28×
6.6×
1026.51×
1056.8×
1057.27×
0.000582(精确到万分位)35.2707(精确到十位)
0.852117(精确到0.1)0.00811(精确到0.01)
(-—)3(-4)2(-1)223
-140000060017000-2900000
20000022000009300-76200
2×
102-1.9×
1031.82×
9.7×
103-8.14×
1061×
1044.92×
0.0000718(精确到万分位)59566.8(精确到十分位)
44.5979(精确到0.01)0.0588(精确到0.1)
(-—)2(-4)3(-3)423
-1700000080012000000-30300
300000-3400000004900-627000000
3×
1045×
1023.5×
103-1.66×
-6.3×
1052.53×
1045.4×
1064.18×
0.00075(精确到万分位)35.6365(精确到个位)
8.75362(精确到0.001)0.0839(精确到0.01)
(-—)3(-1)2(-2)252
-200000-30006000000-5000000
10003600000080000-9010000
-5×
107-7×
1032.4×
105-3.08×
-2.7×
107-9.72×
1074.5×
1022.54×
102
0.00006(精确到万分位)745.949(精确到十分位)
0.626166(精确到0.01)0.0809(精确到0.01)
(-—)3(-6)2(-4)322
-1200-50000890000-361000
-1600-15000000086000000-4410000
1086×
1026.15×
7.5×
107-4.45×
1045.8×
1042.06×
0.0000512(精确到万分位)0.616217(精确到十分位)
74.609(精确到0.1)0.0093(精确到0.01)
(-—)2(-7)2(-3)343
-1800900024000000-4910000000
-6000023002100000-58200000
108-8×
105-9.2×
1032.37×
5.2×
1039.33×
1044.6×
1074.03×
0.0000603(精确到万分位)430.712(精确到十位)
73.2247(精确到0.001)0.00667(精确到0.1)
(-—)3(-3)2(-2)493
400-500000007200-8180000
-7000001000000007200000-4960000000
1041×
102-6.4×
105-4.4×
107-6.84×
105-5.8×
1073.5×
0.000961(精确到万分位)0.543441(精确到十分位)
64.6159(精确到0.001)0.0508(精确到0.001)
(-—)3(-9)3(-2)233
17000000100000001000-795000000
-20000003500900000-759000
-3×
1087×
102-3.1×
1029.87×
102-1.74×
1046.3×
105-4.05×
0.0000922(精确到万分位)93.8996(精确到十位)
0.966944(精确到0.01)0.0797(精确到0.01)
(-—)3(-5)2(-4)352
-1300-9000370000