To get an answer which is....45
-10-40n-8
-18-40n
2(-9-20n)
Answer:
20
Step-by-step explanation:
A=20
If you estimated 3.7 to 4 and 5.1 to 5 the answer would be 20. You would have 20 and now you can think is 20 a reasonable answer for 3.7x5.1. The answer for 3.7x5.1=18.87, so the answer is yes.
Hope that helped:)
