ค่าของ \( P_{6,1}-C_{8,2}+P_{7,3} \) มีค่าตรงกับข้อใด 188 240 120 720

7. \( 3 \sqrt{2}+4 \sqrt{8}-5 \sqrt{50}+8 \sqrt{32} \)

Rewrite the fraction in the sentence below as a percentage. In a certain class, \( \frac{21}{25} \) of the students got problem 5 wrong on Friday's math test. Percent notation: \( \square \% \)

Anastasia chooses a 4-digit number. The digits are all odd. The digits are all different. Her number rounds to 1500 when rounded to the nearest 100 Write the largest number that Anastasia could choose.

Express \( x^{\frac{3}{4}} \) in terms of a radical expression.

\( (-\frac{3}{5})\div (-\frac{2}{9}+\frac{5}{5)} \)