Solving Equations with the Distributive Property - Item 2454
Question
Karin wants to use the distributive property to mentally find the value of
19.42 + 19.58.
Which expression can she use?
CLEAR
CHECK
19.(42 +58)
19-(42 - 58)
(19 +19).(42 + 58)
19. 19-(42 +58)

The 8th term is 512

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.

Iam not sure but i think the answer is b