Question

Mohon bantu jawab ya! Besok dikumpul!
A. 125 pangkat 2/3 - 81 pangkat 3/4
B. 9 pangkat 1/2 + 125 pangkat 2/3
C. 8 pangkat 2/3 + 16 pangkat 1/4

Answer 1

Verified answer

1.125^2/3 -81^3/4 = (5^3)^2/3 - (3^4)^3/4 = 5^6/3 - 3^12/4 = 5^2 - 3^3 = 25 - 9 = 16
2. 9^1/2 + 125^2/3 = (3^2)^1/2 + (5^3)^2/3 = 3^2/2 + 5^6/3 = 3^1 +5^2 = 3 +25 =28
3. 8^2/3 + 16^1/4 = (2^3)^2/3 + (2^4)^1/4 = 2^6/3 + 2^4/4 = 2^2 + 2^1 = 4 + 2 = 6