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  1. Simplify each of the following expressions. Homework Help ✎

Convert the mixed number into a fraction greater than one.

Notice that the 5 in the denominator would have an exponent of –1.

5(3 − 1)(−4)

52(−4) = −100

This can be rewritten as:

See part (b).


Use the Order of Operations.

Use the Order of Operations.

Notice that squaring a negative number has the same result as multiplying two negative numbers: the product is always positive.

Follow the Order of Operations.