Read the sentence. The dog ran fast until his owner stopped it.
Look at the sentence diagram.
Which element is incorrect in this sentence diagram?
"The dog" should be replaced with their owner."
The word "until" should be replaced by "instead."
The pronoun "their" should be replaced by "its."
**Ran fast" should be replaced by "stopped it."
dog
ran fast
The
unt
owner
stopped it
their

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.