Answer:

Step-by-step explanation:


For the first one (aka 7) you would write 10² wich is the same as 10×10 and so the answer is 100
For the second one (aka 8) you would write 3×3×3×3×3×3×3×3×3 and the answer is 486 square miles
Answer:
120
Step-by-step explanation:
-5(6) 2(-2)
-5 x6 = -30. 2 x -2=-4
-30 x -4 = 120
the negatives cancel out :)
Answer:
Add all of the equations together and make them equal 180. (Solve for X) once you find x plug it back into each equation separately and that will tell you the answer for each angle
Step-by-step explanation: