$=0\mathrm{.}07.$

$($a$)$ What is the expected change in reaction time for a $1F$ increase in temperature? For a $9F$ increase in temperature?

$($b$)$ What is the expected reaction time when temperature is $180F?$ When temperature is $260F?$

$0\mathrm{.}9398$

places.$)$

You may need to use the appropriate table in the Appendix of Tables to answer this question.