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9-69.
  1. Simplify each of the following expressions. Homework Help ✎

    1. 3·

    2. 53 ·

    3. 24 ·

    4. · 32

    5. +

    6. 82

Convert the mixed number into a fraction greater than one.

Notice that the 5 in the denominator is like dividing by 5.

5(3) /5 (−4)

52(−4) = −100

This can be rewritten as:

See part (b).

10

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.