The scientific notation of 0.00036 is
3.6 × 10-3
3. 6 × 10-4
3. 6 × 104
If log5x = -3, then x =
125
1/125
243
1/243
The decimal form of 2 . 57 × 103 is
257
2570
25700
257000
log525 + log5625 =
2
3
4
6
If x + 3 log84 = 0, then x =
-2
1
-1
The decimal form of 5. 236 × 105 is
5236
52.36
52360
523600
The value of log 497 is
1/2
1/7
If log3 (log2x) = 1, then x =
5
8
10
The value of log1/24 is
0
log108 + log510 - log104 =
log109
log1036
