Question #1f8ec

2 Answers
Feb 9, 2018

#9~~e^(2.197)#

Explanation:

#"using the "color(blue)"law of logarithms"#

#•color(white)(x)log_bx=nhArrx=b^n#

#ln9=log_e9#

#rArrln9~~2.197rArr9~~e^(2.197)#

Feb 9, 2018

#e^2.197~~9#

Explanation:

If you have #ln9~~2.197#, this is telling us
#"2.197 is approximately the number you have to raise 3 to to get 9."#

This means that when we raise #e# to the power of 2.197, that is approximately 9.

Therefore, we have:
#e^2.197~~9#