How do you evaluate $(\frac { 3} { 7} ) ^ { - 4}$ ?

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Answer 1 · 2017-07-04T19:42:49

$2401/81$

The negative sign in the power tells you to take the reciprocal (flip it upside down) and then you can raise each number to the power of 4

How do you evaluate (\frac { 3} { 7} ) ^ { - 4}(\frac { 3} { 7} ) ^ { - 4}?