Answer:
Step-by-step explanation:
First both the rational numbers should have same denominators. So, find least common denominator
Least common denominator is 10

Now multiply the numerator and denominators of the both the numbers by 10.

Answer:
27
Step-by-step explanation:
If you have an exponent that is a fraction, you need to make a radical with the index from the denominator and an exponent of the radicand from the numerator.
(243)^3/5=(
)
This would come out as
. this further simplifies down to the final answer of 27
do 12.5/5 then you will get ur answer
Answer:
(2,6)
Step-by-step explanation:
Answer:
-x with an exponent of 2 + y with an exponent of 2
Step-by-step explanation:
good luck