LCD of denominators.
Multiples of 5: 0, 5, 10, 15, 20, 25, ...
Multiples of 10: 0, 10, 20, 30, 40, ...
LCD(5, 10) = 10


The answer is 1080 hope this helped may i have brainliest
Answer:
4th one
Step-by-step explanation:
a^-2 goes down and become a^2 and

b^-1 goes up and become b

that why answer is 4th...mark me brainliest please
Answer:
look at the picture shown
My photo has the answers. I recommend Khan Academy for extra help.