Question

√625-√256 rational and irrational

Answer 1

Answer:

9, which is a rational number

Step-by-step explanation:

1. √625= 25 x 25

  so root of 625  is 25

2. √256= 16 x 16

  so root of 256 is 16

now, 25-16= 9

9 is a rational number

(advise you to please learn the square's of numbers till 20, it will really help in exams!)

thank you