64 x 10 = 640
Easier way to simplify :
64 x 1 = 64 and then put the 0 at the end which = 640
I think you should try your best and just never get but just always keep trying because if you give up that means you're not track so just keep trying and get it right.
The answer is D one third of AB.
<u>Answer:</u>
C
it's the set that will add to 180°
36° + 42° + 102° = 180°