Vishwanath
Tuesday, February 19, 2013
13. | If log10 7 = a, then log10 |
| 1 |
| is equal to: | 70 |
|
A. | - (1 + a) | B. | (1 + a)-1 | C. | | D. | |
|
Answer: Option A
Explanation:
| = log10 1 - log10 70 |
| = - log10 (7 x 10) |
| = - (log10 7 + log10 10) |
| = - (a + 1). |
Title : Logarithms Q13
Description : 13. If log 10 7 = a , then log 10 1 is equal to: 70 A. - (1 + a ) B. (1 + a ) -1 C. a 10 D. 1 10 a Answer: Option A Explanation: log 1...
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