初一数学上册科学计数法和近似数39Word文档下载推荐.docx
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初一数学上册科学计数法和近似数39Word文档下载推荐.docx
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8×
1034×
102-4×
1056.04×
3.1×
1049.78×
107-6.6×
102-1.26×
106
0.0000754(精确到万分位)0.507085(精确到十分位)
0.815934(精确到0.1)0.00939(精确到0.1)
(-—)2(-5)2(-3)243
-900500550000-1110000
-500000-38000000680000-2140000
-8×
1035×
107-4.7×
1056.93×
105
2.9×
1049.61×
1068.2×
1042.85×
104
0.000588(精确到万分位)5728.69(精确到十分位)
0.755686(精确到0.01)0.0755(精确到0.001)
3
(-—)3(-5)3(-4)242
2000-800029000-7850000000
10000000-12000003200-685000
5×
106-5×
105-9.3×
1067.96×
-6×
1047.71×
103-7.4×
1054.46×
102
0.0000902(精确到万分位)8.91292(精确到个位)
25.3668(精确到0.001)0.00829(精确到0.001)
1
(-—)3(-10)3(-1)2103
2
200006000000018000-296000000
100001500004300-55800000
6×
102-9×
1033.1×
104-1.46×
-1.3×
1023.7×
1021.8×
107-1.62×
0.0000568(精确到万分位)3.9649(精确到十位)
0.648595(精确到0.1)0.00631(精确到0.001)
(-—)2(-3)3(-2)283
1600000100000009400-840000
-2000-110000090000000-18000
9×
104-2×
105-8.5×
105-4.68×
4.3×
107-5.61×
105-4.4×
102-8.68×
0.0000657(精确到万分位)0.470462(精确到十分位)
25.7654(精确到0.001)0.00561(精确到0.001)
(-—)3(-2)2(-4)383
-2000-30000005000-7800000000
1100-2000079000000-66200000
3×
107-1.3×
1071.31×
3.7×
1043.62×
104-4×
104-2.31×
0.0000876(精确到万分位)4907.68(精确到十分位)
71.8136(精确到0.1)0.00644(精确到0.1)
(-—)2(-7)3(-4)322
-190000-50024000000-884000000
13000-42000000300000-5740000000
-7×
1087×
1058.1×
106-9.59×
-2.2×
103-9.97×
104-5.1×
103-1.87×
0.000701(精确到万分位)6869.84(精确到十分位)
2.58185(精确到0.001)0.0099(精确到0.01)
(-—)3(-5)3(-2)332
1600000-300000043000000-5830000000
-8000024000029000000-2720000
2×
105-9×
106-1.7×
1061.02×
1.1×
106-8.03×
105-2×
106-9.4×
0.000787(精确到万分位)7728.21(精确到十分位)
56.7531(精确到0.01)0.00918(精确到0.01)
(-—)3(-7)3(-2)353
-200000-300000028000-349000000
1600070000000530000-63300
1065×
106-1.2×
108-1.71×
7.7×
1042.8×
103-2.4×
1066.43×
0.000506(精确到万分位)504.003(精确到十位)
3.18087(精确到0.01)0.00972(精确到0.01)
(-—)2(-5)3(-3)3102
-60000-7000008200-323000000
14000000180004600000-49100000
105-8×
1087.1×
103-4.51×
-6.5×
107-5.22×
102-8.7×
1089.39×
0.000834(精确到万分位)89877.5(精确到十分位)
0.576771(精确到0.1)0.00779(精确到0.1)
(-—)2(-2)2(-3)462
-2000-900000020000-353000
-90000-1600000016000000-58900
1061×
108-7.5×
102-1.49×
-2.5×
1044.91×
1021.3×
1087.03×
0.0000938(精确到万分位)2.65374(精确到个位)
75.757(精确到0.001)0.0624(精确到0.001)
(-—)3(-4)3(-2)253
120000-600000059000000-39000000
18000000-470000073000-323000000
4×
1089×
1062.5×
1086.36×
-3.3×
1047.86×
1051.3×
103-7.66×
0.0000731(精确到万分位)66.9495(精确到十分位)
0.663004(精确到0.01)0.0507(精确到0.001)
(-—)3(-4)3(-3)483
-140000-8002700000-7630000
-80000-33007800-23600
105-2.7×
105-6.84×
-2.9×
104-9.9×
1046.1×
104-7.65×
0.0000684(精确到万分位)7.72119(精确到十分位)
1.21346(精确到0.01)0.0766(精确到0.001)
(-—)3(-2)2(-1)293
2000000300000042000000-800000
-1700-220000009300000-421000000
1026.8×
1044.26×
107
-5.9×
107-8.28×
107-7.5×
1053.47×
0.000763(精确到万分位)12143.6(精确到十位)
6.07652(精确到0.001)0.0687(精确到0.001)
6
(-—)3(-5)2(-4)253
1800000300076000000-814000
-180000-20000000660000-64600
-3×
105-5×
1033.8×
1085.13×
1033.52×
106-4.8×
1026.55×
0.00057(精确到万分位)5393.14(精确到个位)
2.74049(精确到0.001)0.00538(精确到0.1)
(-—)2(-3)2(-1)233
80000-900000900000-73500000
-1300030000000410000-560000000
-9×
103-4×
1028.1×
102-2.21×
8.3×
105-4.07×
102-1.8×
1036.16×
0.000803(精确到万分位)9.66428(精确到个位)
0.170403(精确到0.01)0.00626(精确到0.1)
(-—)2(-8)3(-2)363
2000000-1000076000000-5870000
140000-100000000680000-857000000
1033×
108-8.4×
1049.73×
-5.6×
1042.65×
1067×
1028.15×
0.0000582(精确到万分位)2204.27(精确到十位)
0.496946(精确到0.001)0.00531(精确到0.01)
(-—)2(-10)2(-2)432
8000-10000008500-2750000
-10000002800000006900000-8500
103-5×
1073.5×
104-9.55×
9.2×
103-5.48×
1074.2×
107-1.72×
0.0000605(精确到万分位)0.875992(精确到十分位)
0.757847(精确到0.1)0.0537(精确到0.001)
(-—)3(-4)2(-2)2
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