Answer:
The answer is 400
Step-by-step explanation:
1. 15*13=195
2. 7*13=91/2=45.5
3. 7*13=91/2=45.5
4. 195+45.5+45.5=286 units squared
hope this helps!
I suppose you're supposed to convert 100111 from base 2 to base 10. We have

so the missing number is 39.
Answer:
letters = 46536
Step-by-step explanation:
letters + packages = 50995
letters + 4459 = 50995
letters = 50995 - 4459
letters = 46536