Answer
a. 3.68
b. 11.51
c. 4.43
d. 10.70
Work Step by Step
a. $-log(4.83\times10^{-11})=10.32$
$14-10.32=3.68$
b. $-log(3.2\times10^{-3})=2.49$
$14-2.49=11.51$
c. $-log(2.7\times10^{-10})=9.57$
$14-9.57=4.43$
d. $-log(5\times10^{-3})=3.30$
$14-3.30=10.70$
