Evaluate an expression with two variables ex 4, (2b)^2 c

The video tutorial explains how to evaluate mathematical expressions by substituting known values into variables. It demonstrates the process using variables B and C, assigning them values of 4 and 8, respectively. The tutorial walks through the calculation steps, including multiplication and squaring, to arrive at the final result.

Calculate 8 squared and explain the steps involved.

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Describe the long multiplication process used to calculate 8 times 4.

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