What is the difference written in scientific notation? 1.3 x 106 - 6.8 x 105
-6.67 x 105
8.84 x 10
-5.5 x 10
6.2 x 105

6.2 x 10 to the 5 power

Step-by-step explanation:

look a the sides they are perpendicular

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: