# How do you write #0.000 40# in scientific notation?

To write (0.00040) in scientific notation, move the decimal point to the right until there is only one non-zero digit to the left of the decimal point. Count the number of places you moved the decimal point. This number will be the exponent of 10.

So, (0.00040) in scientific notation is (4.0 \times 10^{-4}).

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The decimal point needs to be moved 4 places to the right so the exponent for the 10s term will be negative:

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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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