# What is science notation?

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Scientific notation is a way of expressing numbers that are very large or very small in a concise format. It involves writing a number as the product of a coefficient and a power of 10. For example, the number 3,000,000 can be written in scientific notation as 3 × 10^6, and the number 0.00025 can be written as 2.5 × 10^-4. This notation is useful in fields like mathematics, physics, chemistry, and engineering where dealing with extremely large or small numbers is common.

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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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