Question

What is the sum or difference? 10y^10-14y^10
-4y^20
-140y^20
-140y^10
-4y^10

Answer 1

since these are both to the same degree, imagine you ware subtracting 14 from 10.
what's 10-14? then add the y^10 to your answer

Answer 2

When subtracting numbers with the same exponent...you leave the exponent alone and just subtract the numbers

Answer 3

were* subtracting

Answer 4

-4y^10?

Answer 5

Correct!

Answer 6

correct.