初一数学上册科学计数法和近似数53Word文件下载.docx
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-8×
103-2×
1029.9×
1072.31×
105
9.5×
1045.68×
1036.6×
1066.29×
0.0000952(精确到万分位)8.98099(精确到十位)
5.54505(精确到0.1)0.00556(精确到0.1)
1
(-—)3(-8)2(-1)433
2
1200050088000000-3080000000
14000-60000053000000-70000000
-2×
1085×
107-3.9×
108-1.94×
3.4×
1078.39×
1064.8×
1083.67×
0.000957(精确到万分位)540.285(精确到个位)
0.674222(精确到0.001)0.00731(精确到0.1)
5
(-—)3(-4)3(-4)243
300-20000770000-13900
400-500000700000-77300
-4×
1073×
105-7.2×
1027.01×
103
6.5×
108-7.51×
1072.3×
102-1.95×
104
0.000936(精确到万分位)483.927(精确到个位)
0.995657(精确到0.001)0.0858(精确到0.1)
(-—)2(-7)2(-3)282
-3000000-700000810000-374000000
-16000045000025000000-273000000
9×
105-1×
1056.7×
1062.89×
8.5×
103-4.01×
104-9.5×
1086.31×
0.0000673(精确到万分位)5.75623(精确到十分位)
0.440697(精确到0.01)0.00877(精确到0.01)
(-—)3(-6)3(-4)382
-20000-6000007000-79700
-18000000220007800-2070000
-9×
1028×
106-4.1×
1021.21×
7.8×
1024.62×
106-8.5×
1057.66×
0.0000523(精确到万分位)65.2888(精确到个位)
0.471325(精确到0.01)0.0971(精确到0.1)
6
(-—)2(-1)3(-4)272
-80004009800000-475000000
-4000000310000640000-54800000
4×
107-7×
104-1.7×
102-8.16×
3.6×
1089.55×
1068.6×
105-2.81×
0.0000702(精确到万分位)25019.2(精确到十分位)
0.808987(精确到0.001)0.0776(精确到0.1)
(-—)2(-10)3(-1)343
-10000090000073000000-53000
-900001300061000000-19400000
-6×
1033×
1066.2×
106-1.96×
106
-7.3×
102-8.43×
106-2.8×
1063.63×
0.0000995(精确到万分位)30.3425(精确到个位)
0.156455(精确到0.001)0.0875(精确到0.1)
(-—)3(-8)2(-4)392
160009000083000-52900000
-1400-180000025000000-780000000
6×
1054×
1024.2×
105-4.76×
9.4×
104-2.47×
1064.6×
1088.01×
0.000674(精确到万分位)69.206(精确到个位)
98.2363(精确到0.1)0.00868(精确到0.001)
(-—)2(-2)2(-3)342
-140080006500000-946000000
1300034000380000-8700000
-1×
1036×
106-5.3×
1072.41×
1.3×
104-6.8×
1061.5×
107-1.6×
0.0000956(精确到万分位)9.99578(精确到十分位)
10.3326(精确到0.01)0.00571(精确到0.01)
(-—)2(-4)2(-1)4102
13000-400630000-49400000
500340000008900-219000000
7×
1076×
1034.3×
1035.72×
108-5.88×
102-3.5×
1086.68×
0.0000722(精确到万分位)63.0552(精确到个位)
18.6973(精确到0.001)0.00871(精确到0.1)
(-—)3(-5)3(-4)442
5000000-50000490000-38100
1100-1800100000-986000
1×
107-9×
102-7.4×
104-7.74×
-8.7×
1066.62×
108-2.6×
1077.09×
0.0000628(精确到万分位)9783.58(精确到十位)
0.948661(精确到0.01)0.0083(精确到0.1)
(-—)3(-3)2(-4)253
-140000100000004200-1290000
-140000033000005900-76000
108-2×
103-9.6×
107-2.81×
-3.1×
1038.56×
102-1×
107-6.47×
0.0000658(精确到万分位)0.511179(精确到个位)
18.7663(精确到0.1)0.0082(精确到0.1)
(-—)2(-7)3(-3)352
700000-8003500000-50900000
-90015000000800000-7170000000
1051×
107-9.61×
-1.9×
102-5.05×
1042.5×
102-9.08×
0.0000778(精确到万分位)787.717(精确到十位)
0.581168(精确到0.01)0.0853(精确到0.001)
(-—)3(-1)3(-2)212
-300-900020000-159000
-18000000-13000009100-958000
1087×
104-9.3×
108-2.4×
107
-5.3×
1066.78×
1028.4×
102-8.6×
0.000659(精确到万分位)20443.3(精确到十位)
16.3715(精确到0.1)0.0905(精确到0.001)
(-—)3(-9)2(-1)453
-130050005400-487000
-1100-500200000-910000
106-7×
104-4×
1079.02×
108-7.5×
1086.5×
103-7.81×
0.0000831(精确到万分位)15087.6(精确到十位)
19.4137(精确到0.001)0.051(精确到0.01)
(-—)2(-2)2(-2)273
19000-6000009100-3230000000
-150001600012000000-201000
-3×
102-8×
1067.6×
106-1.23×
-2.8×
1045.61×
1059.26×
0.00074(精确到万分位)462.026(精确到十分位)
0.197009(精确到0.01)0.0767(精确到0.001)
(-—)2(-3)2(-3)2103
800050000005500000-412000000
-60000003300000008100000-1830000
108-1×
1087.56×
9.7×
1044.56×
107-7.4×
1037.4×
0.00087(精确到万分位)5884.96(精确到十分位)
17.4406(精确到0.1)0.0078(精确到0.01)
(-—)3(-4)3(-2)273
-600-200000820000-3620000000
-500000-27000056000000-105000000
1065×
1027×
107-2.94×
102-4.17×
105-3.7×
103-6.88×
0.000545(精确到万分位)61967(精确到十位)
36.1349(精确到0.01)0.0818(精确到0.001)
(-—)3(-5)3(-3)422
1300600052000