using law of exponent, simplify (-1/3)^-3 ÷ (2/5)^-4
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5
2
)
2
÷5
3
=5
2×3
÷5
3
=5
6
÷5
3
=5
6−3
=5
3
[∵(a
m
)
n
=a
mn
]
[∵a
m
÷a
v
=a
m−v
]
2
)
2
÷5
3
=5
2×3
÷5
3
=5
6
÷5
3
=5
6−3
=5
3
[∵(a
m
)
n
=a
mn
]
[∵a
m
÷a
v
=a
m−v
]
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