Find [81/16]^-3/4 × [(9/25)^3/2 ÷ (5/2)^-3]
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kushme:
can you send the photo once again plz it is a little blur
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[81/16]^-3/4 = [16/81]³/4 =2³/ 3³ eq. 1
[(9/25)^3/2 =3³ / 5³ eq.2
(5/2)^-3 =2³ /5³ eq.3
from eq 1,2,3
atq 2³/3³ x [ 3³/ 5³ ÷ 2³/ 5³]
2³/3³ x [ 3³/ 5³ x 5³/2³]
=2³/3³ x 3³/2³
=1
Thanks
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