shaleiah one year ago Rational or irrational?

1. zzr0ck3r

Hints: $$a*b\sqrt{c}=a*b\sqrt{c}$$ and the square root of a prime number is not rational. And a irrational number times a non zero rational number is irrational.

2. shaleiah

the answer I got is 139.3609701

3. shaleiah

@PizzaLover123

4. zzr0ck3r

just multiply the non square root numbers, and put those next to the square root number. What do you have?

5. shaleiah

$2.6*13=33.8$

6. shaleiah

So, b. @zzr0ck3r

7. zzr0ck3r

correct