How can you write the expression with the rationalized denominator? ^3 sqrt 7/ ^3 sqrt 49

∛(49) / 7

Explanation:

1) Given expression:



2) Notice that 49 = 7².

3) With that in mind, rationalize by multiplying numerator and denominator by ∛7:

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.