Question

8^2/3 - 27^-2/3 = ?
a. 3 8/9
b. 4 1/9
c. 7 8/9
d 8 1/9
Tolong dibantu ya

Answer 1

8^2/3 - 27^-2/3
= (2³)^2/3 - 1 / 27^2/3
= 2² - 1 / (3³)^2/3
= 4 - 1 / 3²
= 4 - 1/9
= 36/9 - 1/9
= 35/9
= 3 8/9

Answer 2

((2^3)^2/3) - (3^3)^-2/3=
2^2 - 3^-2=
4 - 1/3^2=
4 - 1/9=
35/9=
3 8/9
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