# How do you evaluate #7^2#?

7x7=

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The presence of an exponent in a number or variable indicates how many times it has been multiplied by itself.

From this point on, we resolve:

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To evaluate 7^2, simply multiply 7 by itself: 7^2 = 7 * 7 = 49.

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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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