The exponent of 3x3x3 is 3, because each 3 is being raised to the power of 1 in this expression. When you multiply numbers with the same base, you can add the exponents. In this case, 3x3x3 can be written as 3^1 x 3^1 x 3^1, which simplifies to 3^(1+1+1) = 3^3.
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However many variables there are is the exponent. 2x2x2x2x2x2x2 = 2^7 3x3x3 = 2^3 etc.
3x3x3 = 27
if there is no exponent shown, then the exponent is 1. ex: 41
3x3x3=27
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