Ejercicios del libro de Baldor

Logaritmos

Hallar el valor de las expresiones siguientes por medio de logaritmos:

1.- 532x0.184log 532+log0.184
2.7259+ (-0.7351)
2.7259-0.7351
1.9908 ANT.
r=97.9039

2.- 191.7x432log 191.7+log 432
2.2826+2.6354
4.9180 ANT.
r=82794.2163

3.-0.7x0.013x0.9log 0.7+log 0.013+log 0.9
-0.1549+ (-1.8860)+ (-0.0457)
-2.0866 ANT.
r=8.1921

4.-7.5x8.16x0.35x10037log 7.5+log 8.16+log 0.35 +log10, 037
0.8750+0.9116+ (-0.4559)+4.0016
5.3326 ANT.
r=215079.9862

5.- 3.2x4.3x7.8x103.4x00.19log 3.2+log 4.3+log 7.8+log 103.4+log 00.19
0.505+0.6334+0.8920+2.0145+ (-1.7212)
2.3237 ANT.
r=210.7172

6.-95.13÷7.23log 95.13-log 0.8591
1.1196 ANT.
r=13.1704

7.- 8.125÷0.9324log 8.125- log 0.9324
0.9098- (-0.0303)
0.9401 ANT.
r=8.7116

8.-7,653.95÷12.354log 7,653.95- log 12.354
4.8491-1.0918
3.7573 ANT.
r=5718.7353

9.- 0.72183/0.0095log 0.72183- log 0.0095
-0.1415-(-2.0222)
-0.1415+2.0222
1.8807 ANT.
r=75.9801

10.- 9,114/0.02log 9,114-log 0.02
3.9597-(-1.6989)
5.6586 ANT.
r=455617.0838

11.-
10 log 2
10 (0.3010)
3.01 ANT.
r=1023.2929

12.- 0.15³3 log 0.15
3(-0.8239)
-2.4717 ANT.
r=3.3752

13.-
4 log 18.65
4(1.2706)
5.0827 ANT.
r=120976.2171

14.- 00.84²2 log 00.84
2 (-0.0757)
-0.1514 ANT.
r=0.7056

15.-
6 log 7.2
6(0.8573)
5.1439  ANT.
r=139283.6054

16.-
3 ½
½ log 3
½ (0.4771)
0.2385 ANT.
r=1.7318

17.-
2 1/3
1/3 log 2
1/3 (.3010)
0.1003 ANT.
r=1.2597

18.-
5 ¼
¼ log 5
¼ (00.6989)
0.1747 ANT.
r=1.4952

19.-
1/5 log de 63
1/5 (1.7993)
0.3598 ANT.
r=2.2898

20.-
1/(7 log 815
1/7 (2.9111)
0.4158 ANT.
r=2.6049