Answer:
7²
Explanation:
You want to know what 7×7 is when it is written using an exponent.
Exponent
At its most basic, an exponent signifies repeated multiplication. It represents the number of times a value appears as a factor in the product.
The expression 7×7 has 7 as a factor 2 times. It can be written as 7 with an exponent of 2.
7×7 = 7²
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