sqrt((0.49)/(0.25))+sqrt((0.81)/(0.36))

Evaluate the following: (i) sqrt(-81) (ii) (sqrt(-2))^(6) (iii) sqrt(-25)xxsqrt(-49) (iv) (2)/(3)xxsqrt((-9)/(16)) (v) sqrt((-49)/(25))xxsqrt((-1)/(9))

sqrt( (0.25)/(0.0009) ) xx sqrt( (0.09)/(0.36)) is equal to

sqrt(0.36) = 0.06

Which of the followinig numbers is the least ? (0.5)^(2), sqrt(0.49), ""^(3)sqrt(0.008),0.23

Find the square roots of 2304 and 1764 and hence find the value of (sqrt(0.2304)+sqrt(0.1764))/(sqrt(0.2304)-sqrt(0.1764))