Sometimes you will have to substitute a number into an expression with a square number. Remember when a number is squared it is multiplied by itself. This is straightforward when you have a positive ...
For example, in the expression \(2b^2c\), where \(b = 4\) and \(c = 3\), use the values of \(b\) and \(c\) to calculate the numerical value of the expression: The ...
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