Question

1 efectuati : e) 9 supra 8 : 15 supra 4 : 1 supra 10
f) (2 supra 3 )la puterea 7 * (2 supra 3 ) la puterea 5 : [(2 supra 3 ) la puterea 3 ]la puterea 4

Answer 1

e) 9/8  : 15/4 = 9/8 x 4/15 = 36/120 = 6/20 = 3/10

f) (2/3)⁷ x (2/3)⁵ : [(2/3)³]⁴ = (2/3)⁷⁺⁵ : (2/3)³ˣ⁴ = (2/3)¹² : (2/3)¹² = 1