# What is #55\div ( 4^{2} - 5)#?

5

To answer this type of question, we use the Order of Operations, also known as PEMDAS:

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(55 \div (4^2 - 5) = 55 \div (16 - 5) = 55 \div 11 = 5)

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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