Search results

We substitute given numbers for each variable and perform the necessary calculations in the proper order

If the base of an exponential expression is a fraction, the exponent tells us how many times to write that fraction as a factor

To evaluate (find the value of) expressions written in horizontal form that involve addition and subtraction, we perform the operations as they occur from left ...

Expressions can involve repeated subtraction or combinations of subtraction and addition. To evaluate them, we use the order of operations rule.

To evaluate a formula, we replace its letters, called variables, with specific numbers and evaluate the right side using the order of operations rule.