Question

simplify this question ​

Answer 1

Answer: $-\frac{(9)^{5} }{28}$

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Step-by-step explanation:

$[4^{0} -(\frac{3}{4} +\frac{4}{7} )](-81)^{2}$

$[1-(\frac{21+16}{28})](81)^{2}$

$[1-\frac{37}{28} ](81)^{2}$

$(-\frac{9}{28} )(9)^{4}$

$-\frac{9^{5} }{28}$