Answer:
multiplication property of one or identity
Step-by-step explanation:
Ok so you set up the problem by putting the 3.4 inside the division box and put the 4 outside. 4 can't go into 3 so bring up the decimal but it can go into 34 so you find out that 4 can go into 34, 8 times so 34-32 is 2. Then you add a 0 after 3.4 so it would look like 3.40 and bring it down making a 20 and 4 can go into 20, 5 times. Making the answer .85
Answer:
first find the radius of the circle r^2=221/22/7 then find the area
B. To be careful, use brackets: 10(1*2) + 4x which will be 20 + 40x or as you have it, 10*2 + 40x.