Answer:
Step-by-step explanation:
ok im not sure if this is it but 148.41315910
A=27.18
There is a photo showing the answer and the formula and stuff hope this helps
Answer:
7
Step-by-step explanation:
1+1+1+1+1+1+1=7
First multiply, so 42 x 39, which equals 1,638, then estimate, round 42 to 40, and 39 to 40, and do 40 x 40 = 1,600 which is close to your answer, so good.