That is 77 to the power of twelve which is 77x77x77x77x77x77x77x77x77x77x77x77.
Answer:43439888521963583647921
4/7=28/(x+18)
4/7 =28/x+18
-18 | -18
|
__________
-17 2/7=28/x
*28 | *28
|
__________
-484 = x
-1.6 , -6/5 , -0.875, 0.9, 2.5
The negative number many seem high but since the greatest negative number is closer to zero it is higher than the other negative numbers.
The answer for the problem is A.
251.327 = 251.33
Rounded to the nearest tenth is 251.3
Hope this helps!