0710 713 4. When rounding to the nearest ten and the nearest hundred, what number rounds to 400? ) (1 Point) 0295 299 390 O 399 5. What is 1,000 rounded to the nearest ten? (1 Point)

1000 rounded to the nearest ten is:

1000

Step-by-step explanation:

A) We round the number up to the nearest ten if the last digit in the number is 5, 6, 7, 8, or 9.

B) We round the number down to the nearest ten if the last digit in the number is 1, 2, 3, or 4.

C) If the last digit is 0, then we do not have to do any rounding, because it is already to the ten.

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8