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Naddik [55]
3 years ago
6

Could someone help me with this math problem?

Mathematics
2 answers:
Ronch [10]3 years ago
8 0

Answer:

729

Step-by-step explanation:

1/3^-2×3^-4×(-1)^2

=3^2×3^4/1

=9×81

=729

Gekata [30.6K]3 years ago
8 0

For this case we have the following expression:

\frac {1} {3^ {- 2} * x^{ - 4} * y ^ 2}

We must evaluate the expression to:

x = 3\\y = -1

So:

\frac {1} {3^{- 2} * 3^{ - 4} * (- 1) ^ 2} =

\frac {1} {\frac {1} {3 ^ 2} * \frac {1} {3 ^ 4} * 1} =\\\frac {1} {\frac {1} {3 ^ 2} * \frac {1} {3 ^ 4}} =\\\frac {1} {\frac {1} {9} * \frac {1} {81}} =\\\frac {1} {\frac {1} {729}} =\\\frac {729} {1} =\\729

Answer:

Option B

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