Question

Which expression is equal to
Which expression is equal to.
X 4/3 * x 1/3 ?

Answers.
X 2/3
X 5/3
X 5/9
X 4/9

Answer 1

Rule:
\[\Large x^a*x^b = x^{a+b}\]
Example of this rule in action
\[\Large x^{7/9}*x^{5/9} = x^{7/9+5/9}\]
\[\Large x^{7/9}*x^{5/9} = x^{12/9}\]
Recall that to add fractions the denominators must be the same and we add the numerators over the common denominator.