Question

say fully I mark brainliset ​​

Answer 1

Answer:

1) 5^m÷ 5^-3 = 125 => 5^m÷ 5^-3= 5³ => 5^m = 5^-1=> m= -1

2) 2x+ 7x = 180° => 9x = 180° =>x = 20°

2x = 40°

7x = 140°

Answer 2

Answer:

2. m = -6

3. 40°, 140°, 40°, 140°

Step-by-step explanation:

2. 5 to the power m = 5³ × 5^-³ = 5^-⁶

m = -6

3. Opposite angles in a parallelogram are equal...

Hence, they 4 angles of parallelogram are 2x, 7x, 2x,

and 7x.

2x+7x+2x+7x= 360°

18x = 360°

X = 20°

2x = 40° 7x = 140°