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algol [13]
3 years ago
5

(4/9)^-1=A. -4/9B. 9/4C. -9/4

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
5 0

Answer: 9/4

Step-by-step explanation: Think of (\frac{4}{9})^{-1}as \frac{4^{-1} }{9^{-1}}.

Now, we can change 4⁻¹ to 4¹ by moving it to the denominator and

we can change 9⁻¹ to 9¹ by moving it to the numerator.

So we have 9¹/4¹ which simplifies to 9/4.

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