If x + 3 log84 = 0, then x =
2
-2
1
-1
The decimal form of 2 . 57 × 103 is
257
2570
25700
257000
The scientific notation of 0.00036 is
3.6 × 10-3
3. 6 × 10-4
3. 6 × 104
The decimal form of 3. 506 × 10-2 is
0.03506
0.0033506
35.06
350.6
The value of log1/24 is
0
1/2
The exponential form of log616 = 4 is
24 = 16
42 = 16
216 = 4
416 = 2
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 characteristic of log 27. 91 is
3
4
log525 + log5625 =
6