To solve:
(x-10)(x-10)
Answer: x^2-20x+100
Step-by-step explanation:

I really don’t know I hope you find the answer good luck in enjoy your day
For rounding, you look at the number to the right of it.
In this case, it would be 7
because 7 is greater than 5, it is rounded up (remember, 5 and up is round up, while 4 and lower is round down)
So her answer should be 1300
hope this helps