1/2^-3 + 1/3^-3 +1/4^-3 ÷3 ^2
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Answer:
(1/2^-3 + 1/3^-3 + 1/4^-3 )/3^2
Step-by-step explanation:
= (1*2^3 + 1*3^3 +1*4^3)/9
= (8+27+64)/9
=99/9
= 11
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