Question

3* $sqrt{1 frac{7}{9} }$ + 0,5 * $sqrt{0,25$

Answer 1

... = 3*√(16 / 9) + 0.5*√(25 / 100) = 
= 3*4/3 + (0.5*5/10) = 4 + 0.25 = 4.25