Answer:
There is no way to answer that.
Step-by-step explanation:
You don't know at what pace he is reading so until you know that you won't be able to tell how long it will take him. I hope this let's you know what you need to find. Good luck! :D
see explanation
2 ×
= 2 × 10 × 10 × 10 × 10
= 2 × 100 × 100
= 200 × 100
= 20000
And
= 2 × 2 × 2 × 2
= 4 × 4
= 16
