Question

simplify the given question in picture.​

Answer 1

$9^{\frac{5}{2}}-3.(5)^{0} - (\frac{1}{81})^{\frac{-1}{2}}$

if anything have its power 0 , then its equal to '1'

$(3^{2})^{\frac{5}{2}}-3.(1)-(81)^{\frac{1}{2} }\\\\3^{5}-3-(9^{2})^{\frac{1}{2} } \\\\243-3-9\\\\=231$