00:01
We want to convert each one of these from base 4 back into a base 10 number.
00:05
What we need to remember is that here, each place value does not represent a power of 10.
00:11
It represents a power of 4.
00:13
So for 13, we have 3 times 4 to the 0, and then 1 times 4 to the 1.
00:25
All right, so that's going to be 4 plus 3.
00:28
So that's going to be 7 in base 10.
00:32
For 322, we're going to have 2 times 4 to the 0.
00:38
We're going to have 2 times 4 to the 1st and 3 times 4 squared.
00:45
So this is going to be 48, 16 times 3 is 48, plus 8 plus 2.
00:54
So this comes out to be 58...