Ask Question
16 November, 03:33

If 12^-x=5, what does 12^2x equal

+4
Answers (1)
  1. 16 November, 03:40
    0
    0.04

    Step-by-step explanation:

    12^ (-x) = 5 (taking log on both sides)

    log [ 12^ (-x) ] = log 5

    -x log 12 = log 5

    -x = log 5 / log 12

    x = - (log 5/log12)

    x = - 0.6477

    12^ (2x)

    = 12^[2 (-0.6477) ]

    = 12 ^ (-1.295)

    = 0.04
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “If 12^-x=5, what does 12^2x equal ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers