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2. 2^3 (-3)^-1
= 2^3 . 1/-3
= 8 . 1/-3
= -8/3
1. a = a¹
2. a⁻² = 1/a² , dst...
3. (a²)³ = a^(2x3) = a⁶....
Jawaban :
1. a⁻⁴ = 1/a⁴
2. 2³ (-3)⁻¹ = 2³ / (-3)¹
= 2³ / (-3)
= - 2³/3
3. (a⁻³b⁻³3⁻³)² = a⁻⁶b⁻⁶3⁻⁶
= 1/ (3⁶a⁶b⁶)
4. 4².2⁻³ . 3⁻³ / 5² = (2²)² . 2⁻³ . 3⁻³ / 5²
= 2⁴.2⁻³ / (3³5²)
= 2⁴⁻³ / (3³5²)
= 2 / (3³5²)
5. a⁻²b³/ (-c)³d = a⁻²b³ / -c³d
= - b³ / (a²c³d)
6. 3(-3+2) ⁻³ / 3⁻².9⁵ = 3.(-1)⁻³ / 3².(3²)⁵
= 3¹ / (-1)³3².3¹⁰
= 3¹ / -3².3¹⁰
= - 3¹⁻²⁻¹⁰
= -3⁻¹¹
= - 1 / 3¹¹