Question

simplify the square root of 9 ÷ by the square root of 25

Answer 1

so pemdas 
square root of 9 means 9^(1/2) so it counts as an exponent so 
9=3 times 3 so square root of 9=3
square root of 25
do pemdas so exponents before division
25=5 times 5 so 
square root of 25==5 so 

3/5=0.6

Answer 2

$\sqrt{9} \div \sqrt{25} = 3 \div 5 = \frac35 = 0.6$

Answer 3

$\sqrt{9} \div \sqrt{25} = 3 \div 5 = \frac35 = 0.6$