7/9 X 5 2/5
Some one pls help me I’m confused

7/9 X 5 2/5
= 7/9 X 27/5
= 189/ 45
= 21/ 5

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.

Answer:

13.46

step-by-step explanation:

16.80 x .20 = 13.46