SOLUTION: One last one... Convert to exponential form.. again none of my calculators show the answers available. log 0.0000001=-7 A)-7^10=0.0000001 B) 0.0000001-7=10 C 10^-7=0.0000001 D

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: One last one... Convert to exponential form.. again none of my calculators show the answers available. log 0.0000001=-7 A)-7^10=0.0000001 B) 0.0000001-7=10 C 10^-7=0.0000001 D      Log On


   



Question 461481: One last one... Convert to exponential form.. again none of my calculators show the answers available.
log 0.0000001=-7
A)-7^10=0.0000001 B) 0.0000001-7=10 C 10^-7=0.0000001 D)10 0.0000001=-7
any help would be appreciated.

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

The logarithm of a number is the exponent you raise above 10 to get that number. This is best seen by examples.
log%28100%29+=+2...... why... because 10%5E2+=+100
so, your answer is:
C 10%5E-7=0.0000001