Question

a)[(9/5)^-8×(5/9)^-5, next 2)(9^2-4^3)×(-3/17)^2×34/9​

Answer 1

Answer:

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• (9/5)^-8×(5/9)^-5=
• (5/9)^8×(5/9)^-5=
• (5/9)^(8-5)=
• (5/9)^3

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• (9^2-4^3)×(-3/17)^2×34/9​=
• -(81-64)× 9/17×2/9=
• -17 × 2/17= -2