Answer:
part A 2.6+1.7+9.8-4.2=9.9
part B 6.7-9.9+22-28.46=9.66
Explanation:
Part A
First find the square root.
the square root of 7 is 2.6
the square root of 3 is 1.7
the square root of 98 is 9.8
the square root of 18 is 4.2
Then: add and subtract them
2.6+1.7+9.8-4.2=9.9
Part B
I don't know how to explain the next part so I will just give you the answer
6.7-9.9+22-28.46=9.66
I hoped this helped