4.4 km
100 cm = 1 m
440,000 cm = 4,400 m
1000 m = 1 km
4,400 m = 4.4 km
Answer:
153.94cm²
Step-by-step explanation:

<h3>
Step-by-step explanation:</h3>
Yes, it's true sometimes we don't use negative value of 'x'.
So, we conclude it's True.
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Hope it help you</h3>
Answer: THIRD OPTION.
Step-by-step explanation:
We need to remember that we can create a perfect square trinomial by squaring a binomial:

Then we need need to pick the coefficient of the x term of the given expression, divide it by 2 and square it:

Therefore, the number that should be added to the given expression in order to create a perfect square trinomial is: