Answer:
Rational
Step-by-step explanation:
This is rational because the square root of 169/64 would be 13/8 and any rational number could be put into a fraction
Answer:
30%
Step-by-step explanation:
<h2><u>Percentage change </u></h2><h3>formula :</h3>

= 50 - 35 = 15
= 
<h3>=
30 %</h3>
(9x 10^-3)^2=
, so d 8.1x10^-6
Evaluate 1/2a^-4b^2 for a =-2 and b=4

A number raised to a negative exponent is sometimes negative.
Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great Valentines Day! :-)
- Cutiepatutie ☺❀❤
There are no real roots for a negative number, so -81 has no real roots, if the number is 81 however, then the tow roots are 9