初一数学上册科学计数法和近似数179Word文件下载.docx
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初一数学上册科学计数法和近似数179Word文件下载.docx
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6×
1045×
106-2.8×
102-3.99×
103
2.3×
105-4.82×
105-5.7×
1022.18×
0.000512(精确到万分位)57985.1(精确到十位)
86.3036(精确到0.001)0.0051(精确到0.1)
4
(-—)3(-10)2(-3)473
18000-90000003300000-30500
12000000-25000000083000-830000000
9×
104-3×
1042.9×
107-9.41×
7.7×
1031.06×
1035.6×
1071.46×
107
0.0000567(精确到万分位)8.95648(精确到个位)
8.42509(精确到0.1)0.0532(精确到0.001)
6
(-—)3(-2)3(-1)482
5
-3000000400870000-533000
-600-3600001500000-20500000
-2×
102-6×
108-3.4×
108-5.56×
3.1×
108-7.78×
1049.1×
1062.27×
0.000982(精确到万分位)3.96616(精确到十分位)
0.412493(精确到0.001)0.0547(精确到0.1)
(-—)3(-10)2(-1)343
1900050000003900000-130000
-1400-700000088000-185000
-6×
1056×
103-9.9×
1022.41×
104
-4×
1068.6×
1067.4×
1029.87×
108
0.0000788(精确到万分位)3.49678(精确到个位)
4.45822(精确到0.1)0.00932(精确到0.001)
(-—)2(-10)3(-2)243
9000-40006900000-8990000000
-17000000-30000000900-8080000000
8×
102-2×
1024.2×
108-6.76×
5.7×
1037.34×
1073.6×
1039.38×
0.00081(精确到万分位)6.50157(精确到十分位)
6.54601(精确到0.1)0.00748(精确到0.1)
(-—)3(-7)3(-1)352
-200000080000000100000-4000000
30000-2100000002700-768000000
108-5×
104-9.3×
1078.96×
-4.9×
1055.46×
102-1.9×
107-7.83×
0.0000695(精确到万分位)3.01873(精确到十位)
52.9996(精确到0.001)0.0671(精确到0.01)
1
(-—)3(-5)2(-2)242
1400-3000003900-5430000000
-6000-1200001800-915000
-1×
102-7×
1066.5×
1083.44×
-2.4×
108-4.22×
1046.6×
106-9.48×
0.000747(精确到万分位)4.11005(精确到十分位)
3.96563(精确到0.001)0.0914(精确到0.1)
(-—)2(-6)2(-2)262
-17000040000400000-891000
1800-3100056000-1750000000
-8×
1031×
1063.8×
1026.43×
-9.7×
106-8.48×
106-5.2×
107-1.07×
0.0000785(精确到万分位)1371.53(精确到个位)
0.559871(精确到0.01)0.00535(精确到0.001)
(-—)2(-3)3(-4)4103
120080070000-33200000
-1000000-4800003100-355000
-5×
1053×
106-2.9×
104-3.52×
105
7×
1029.73×
1045.5×
107-1×
0.000918(精确到万分位)0.326131(精确到十位)
0.55595(精确到0.01)0.082(精确到0.01)
(-—)2(-1)2(-4)492
-500000800080000000-600000
8000002800004100-48000
106-4×
1069.35×
7.6×
1068.21×
1071.5×
1044.2×
0.00058(精确到万分位)24657.9(精确到十位)
1.70952(精确到0.01)0.00951(精确到0.001)
(-—)3(-3)3(-3)492
-700-4006800000-37600000
-70000080009500-17000
1023×
103-4.4×
103-4.01×
6.7×
105-7.2×
107-4.5×
1058.69×
0.0000777(精确到万分位)0.688265(精确到十位)
32.6488(精确到0.1)0.00907(精确到0.001)
(-—)2(-7)2(-4)213
-50000400000490000-14400
160001000000100000-94900
-9×
1026.7×
1081.91×
6.1×
1021.46×
103-9.8×
105-3.41×
0.000652(精确到万分位)7128.43(精确到十位)
0.873892(精确到0.1)0.00893(精确到0.001)
(-—)3(-6)3(-2)422
100070000007400-135000
-1300-29008600000-7960000
103-8×
1075.37×
102-9.5×
1067.5×
1071.33×
0.0000966(精确到万分位)422.958(精确到十位)
0.126961(精确到0.001)0.00531(精确到0.01)
(-—)2(-6)3(-2)242
-1000000-400004800-570000
800000-140000001100-191000
1046×
103-4×
108-4.32×
8.7×
1087.47×
106-7.2×
1046.44×
0.000993(精确到万分位)7.09012(精确到十分位)
46.4893(精确到0.1)0.0902(精确到0.01)
(-—)2(-10)3(-2)433
-15000080005000000-954000
-1500-16000000044000000-2030000
1×
106-7×
102-4.2×
1075.73×
-7.9×
1039.87×
1081.4×
1039.66×
0.000769(精确到万分位)6.6507(精确到个位)
0.658581(精确到0.1)0.0675(精确到0.01)
(-—)2(-1)2(-4)423
-100000200000960000-8400000
19000000-2400000029000-230000000
103-5×
107-5.9×
105-1.13×
5.5×
104-4.67×
1085.7×
1085.18×
0.000838(精确到万分位)962.693(精确到十分位)
4.12195(精确到0.001)0.00892(精确到0.1)
(-—)2(-4)3(-1)213
-1700-100500000-87200
400000330010000-966000000
102-4×
105-7.9×
1056.03×
1049.35×
106-2.36×
0.000721(精确到万分位)258.565(精确到个位)
51.4119(精确到0.1)0.00985(精确到0.01)
(-—)2(-5)3(-2)343
-4000000500000053000000-54800
2000000-3600000700000-97000
4×
1032×
1086.1×
105-4.25×
7.1×
106-7.34×
1045.52×
0.000715(精确到万分位)27804.3(精确到十分位)
52.7295(精确到0.001)0.0809(精确到0.1)
(-—)3(-5)3(-3)272
100007000000670000-83800
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