Not sure what the question means, but the answer is either one of the following two: (a) 18 * 18 = 182 (b) 18 * 18 = 324 = 3.24*102
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It is: 18-3D
1,210 = 1.21 × 103
It means that the variable of interest appears as a power in the expression. So, for example, 3x is exponential but x3 is merely cubic. The distinction depends on the position of x.
An exponential or power term.
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