Simplification Quiz 1

85 x 125 ÷ 20 - 15 x 0.15 = ?²

54% of 720 + 45% of 600  = ?

(6889)^1/2 x 12 + 12² + 4² = ?²

64² + 32² + 11³ =

6536 + 4588 + 656 = ? + 246

45% of 640 + 24% of 780 - 23 x 14 = ?

[17576^1/3 x 34 - 1849^1/2] ^1/2 = ?

(1656 ÷ 24 x 14) ÷ 23 = ?^1/2

36% of 1250 + 26% of 960 = ? + 22 x 11

325 x 14 + 44 x 56 = ? x 14

[11664^1/2 + 13³ ]  = ?²