Answer: x = −0.21773750
Step-by-step explanation:
Put it in calculator
Answer:
x = -.217738
Step-by-step explanation:
[tex]4*10^{-3x} = 18[/tex]
[tex]10^{-3x} = \frac{18}{4} = \frac{9}{2}[/tex]
[tex]-3x = log(\frac{9}{2})[/tex] = log 9 - log 2
x = [tex]\frac{log 9 - log 2}{-3} = \frac{.95424... - .30102...}{-3} = \frac{.65321...}{-3} = -.217738[/tex]
