Express 27/64 and -8/27 as the powers of rational numbers
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1
Answer:
∵27=3×3×3=3
3
⇒−27=−3×−3×−3=(−3)
3
⇒64=4×4×4=4
3
Now use, (
b
a
)
m
=
b
m
a
m
∴
64
27
=
4
3
3
3
=(
4
3
)
3
∴
64
−27
=
4
3
(−3)
3
=(
4
−3
)
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