Question 21 of 45 In the triangle below, what is the length of M?
18
20
500
50°
L
N
O A. 50
O B. 100
O c. 20
O D. 40

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.

3,843,000 is how that would be read