IM GANNA FAIL PLS HELP IDK WHAT THE BOXES R FOR HELPP PLS I BEG YOU (I will give u 100 points on the next question and brain list)

Boxes are to do your multiplication

2. Estimation = 550  Actually = 570  3.   Estimation = 1,900  Actually = 1884

4. Estimation =  24050  Actually =  24073

Hope this helps have a blessed day

Step-by-step explanation:

1) 274. For this you just have to do 7x2 which is 14 then you carry the one above the three then 3x2 which is 6 plus the one you carried so 7 then2x1 which is 2 so you get 274.

2) 570. For this one you do 3x0 which is 0. The reason for this is because anything multiplied by 0 is 0. then you do 3x9 which is 27 so you carry the 2 above the one you go from right to left so that is 3x1 which is 3 then add the two you carried which is 5 which gives you a total of 570.  

3) for this one you do 1x4 which is 4 then you do 7x4 which is 28so you carry the two over to the 4 then multiply 4x4 which gives you 16 then add the 2 which is 18 so that gives you a total of 1,884 and the 4th I will solve the 4th that is 24,073 you get that by doing 7 x9 which gets you 63 so you carry the 6 to the three next to it then you do 7x3 which is 21+3 which is 24 then carry the 2 to the 4 then do 7x4 which is 28 + the 2 you carried which is 30 so you leave the 0 and carry over the 3 then 7x3 which is 21+ the three which got carried over is 24 which gets you a total of 24,073

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.