Question

CALCULE
(4)^2 /(-9)^2
(5)     /(8)

4^2 / (-1)^5
5      /(2)

(-3)^2 /(-1)^6
(10)    / (2)

Answer 1

• 4² / (-9)² = (4.4) / [(-9).(-9)] = 16/81 ≈ 0,19 → 0,2

• 5 / 8 = 0,625

• 4² / (-1)^5 = 16/-1 = -16

• 5 / 2 = 2,5

• (-3)² / (-1)^6 = 9/1 = 9

• 10 / 2 = 5