log108 + log510 - log104 =
log109
log1036
1
-1
Exponential form of log162 = 1/4 is
1.62 = 1/4
(2)1/4 = 16
(16)1/4 = 2
216 = 1/4
If log5x = -3, then x =
125
1/125
243
1/243
The decimal form of 3. 506 × 10-2 is
0.03506
0.0033506
35.06
350.6
The logarithmic form of 52 = 25 is
log52 = 25
log25 = 25
log5 25 = 2
log252 = 2.
The decimal form of 2 . 57 × 103 is
257
2570
25700
257000
If x + 3 log84 = 0, then x =
2
-2
If log3 (log2x) = 1, then x =
5
8
10
The characteristic of log 27. 91 is
3
4
The decimal form of 5. 236 × 105 is
5236
52.36
52360
523600
