The appropriate compatible numbers to use to estimate would be 20(1/2)
estimated product is 10, took the quiz :)
The answer is 7.3 or in other words 7 3/10
Hope I helped
Answer:

Step-by-step explanation:
÷
needs to be flipped and multiplied.
It will become
·
.
Simplify the fractions by replacing 7 with 1 and 49 with 7, since 7 is 1/7 of 49. Then, turn the 2 into a 1 and the 4 into a 2, since 2 is half of 4.
You will be left with 1 ·
, which equals 
Factor is it because the numbers begin multiplied are called factor so it will be 3x a factor