Question

Solve for x: 10^x = 9
A. x = log⁡ 9

B. x = log^9 ⁡10

C. x = log ⁡10

Answer 1

A x=9

it's right answer ok

Answer 2

• A. x = log 9

Explanation:

• 10^x = 9

Log both sides:

• log 10^x = log 9
• x log 10 = log 9
• x*1 = log 9
• x = log 9

Correct choice is A