Answer:
4.0 x 10^-10
Step-by-step explanation:
First, you want to get the pH.
Subtract by 14.
14-4.60=9.40
Use the pH equation to find [H+].
Remember that the conversion goes like this: [H+]= 10^-pH
= 10^-9.40
=3.98 x 10^-10
=4.0 x 10^-10
Hoped this helped.