Tolong dong nomer yang dilingkarin sama caranya yaa Makasihh

jawab

(2)
banyak potongan  = (8 ²/₃ + 15 ⁵/₆) : (1 ³/₄) = 
= (26/3 + 95/6) ; (7/4)  ...kalikan 12
= (104 + 190) : (21)
= 294 : 21
= 14

(6)
(6p)/ (q⁻³.r⁻¹) = 6p. q³. r

(7)
(4⁻³ x 2⁴)⁻² = 4⁶ x 2⁻⁸ = (2)¹² x (2)⁻⁸ = 2⁴ = 16

(10)

a = 128 , r = 1/2
U10 = a r⁹ = (128)(2⁻¹)⁹ = (2)⁷(2)⁻⁹ = 2⁻² = 1/4