初一数学上册科学计数法和近似数203Word格式文档下载.docx
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1×
106-8×
103-5×
106-8.89×
-1.6×
1078.17×
102-2.9×
1056.76×
107
0.0000799(精确到万分位)0.247862(精确到十位)
29.145(精确到0.01)0.00886(精确到0.1)
(-—)2(-1)2(-2)353
17000-600000004000000-6300
-18000-9000000062000000-96900000
-7×
103-9×
103-1.3×
1061.48×
102
6×
1038.15×
104-2.8×
1074.9×
106
0.0000535(精确到万分位)303.198(精确到十分位)
4.66852(精确到0.1)0.00716(精确到0.1)
3
(-—)3(-8)3(-2)363
2
-120000-1000580000-612000
11000000-410000024000000-972000
4×
105-1×
106-6.5×
107-3.98×
2.1×
105-1.28×
1056.6×
103-3.21×
103
0.0000609(精确到万分位)99935.9(精确到个位)
0.277602(精确到0.001)0.00852(精确到0.01)
(-—)3(-5)3(-4)342
4
-18000000-900000064000000-89200000
-200000-120002600-66000000
1022×
1042.3×
106-5.45×
-1×
1027.35×
104-2.7×
1036.91×
0.0000775(精确到万分位)5.51398(精确到个位)
0.101719(精确到0.01)0.00868(精确到0.001)
1
(-—)2(-4)3(-2)213
1600000-20000070000-2010000000
1000000-370000033000-782000
7×
103-6×
106-7.9×
1072.38×
-8.4×
105-5.38×
104-7.3×
108-8.22×
0.0000505(精确到万分位)6.532(精确到个位)
3.46884(精确到0.1)0.0952(精确到0.1)
(-—)2(-1)3(-4)373
600000-10000043000-949000
6000016000002700-1080000
8×
1068×
103-2.3×
107-4.12×
-6.9×
104-8.84×
1083.1×
105-1.43×
0.000784(精确到万分位)94857.8(精确到十位)
3.28287(精确到0.001)0.00751(精确到0.1)
(-—)3(-2)2(-2)453
-3008000005900-35400000
800000-4700000850000-8620000
102-4×
107-5.4×
105-6.02×
-4×
105-1.83×
1046.9×
1074.12×
0.000765(精确到万分位)10056.8(精确到个位)
41.0126(精确到0.01)0.00899(精确到0.001)
(-—)3(-3)3(-1)383
-1900-600000027000-50100000
14000000-240000043000000-98200000
1084×
1027.72×
3.3×
1069.86×
108-4.8×
108-9.6×
0.0000595(精确到万分位)0.509472(精确到十位)
32.8132(精确到0.01)0.0671(精确到0.1)
(-—)3(-6)3(-4)253
-10002009700-18400
-400000046007900-60600
106-9×
1081.8×
1067.75×
-1.3×
1089.5×
106-1.9×
103-2.7×
0.0000783(精确到万分位)2477.22(精确到十位)
8.6146(精确到0.01)0.0928(精确到0.01)
(-—)3(-10)3(-2)412
500000-7000000075000000-6370000000
-170000002600033000-683000
-8×
1035×
1043.2×
107-7.92×
-9.7×
1067.86×
107-3.2×
1045.78×
0.0000844(精确到万分位)3.94123(精确到十分位)
15.0621(精确到0.001)0.0968(精确到0.1)
(-—)2(-9)3(-4)453
-15000-40000071000-59800
90000-5000000940000-4300000
1077×
106-9.2×
105-5.09×
9.3×
1033.97×
1076.2×
1057.51×
0.0000563(精确到万分位)146.59(精确到十分位)
0.442624(精确到0.01)0.0821(精确到0.001)
(-—)3(-4)2(-3)432
-16000000300033000-61400000
600004900008900000-7680000000
102-1×
103-1.7×
1027.95×
4.3×
106-9.45×
1075.3×
1083.98×
0.000897(精确到万分位)83993.3(精确到十位)
41.3071(精确到0.1)0.0627(精确到0.1)
(-—)3(-9)3(-3)382
90000-500000240000-7380000
6000000-500000180000-71100
3×
1057.6×
1032.42×
-2×
1066.96×
103-7×
107-3.86×
0.000976(精确到万分位)2783.99(精确到十分位)
0.567894(精确到0.1)0.0662(精确到0.1)
(-—)3(-4)2(-2)363
-110000-20001700000-923000
-1300000018000730000-51000000
1043.5×
106-3.5×
4.5×
103-5.9×
108-5.6×
104-4×
104
0.000876(精确到万分位)94.6329(精确到个位)
0.197426(精确到0.001)0.0993(精确到0.01)
(-—)3(-9)3(-4)3103
3000000-4000420000-708000
-9000-35000001800000-8840000
1041×
108-5.92×
7.2×
1062.59×
102-8.3×
103-9.91×
0.000977(精确到万分位)0.549466(精确到十分位)
92.2936(精确到0.1)0.0678(精确到0.001)
(-—)2(-2)2(-1)333
-6000-20003000000-7960000
-1000600052000000-1560000
103-8×
105-5.3×
1061.59×
-2.4×
1041.87×
105-2.1×
1054.79×
0.000593(精确到万分位)77341.7(精确到十分位)
2.44651(精确到0.01)0.0664(精确到0.01)
(-—)3(-3)3(-4)252
140000060000600000-31800
1900220000000460000-92300
1076×
108-9.2×
107-8.87×
-4.3×
103-1.39×
1065.2×
105-4.2×
0.000862(精确到万分位)16198.9(精确到个位)
78.0976(精确到0.001)0.0693(精确到0.01)
(-—)3(-1)3(-2)252
50000-200001200000-610000000
200000-120078000-4010000
-5×
1057×
102-2.4×
105-3.01×
-9.8×
1044.35×
1046.3×
1079.02×
0.000882(精确到万分位)458.259(精确到个位)
1.9685(精确到0.1)0.00778(精确到0.1)
(-—)3(-4)2(-4)452
-19000-50000