### Home > ACC7 > Chapter cc29 > Lesson cc29.2.2 > Problem 9-69

9-69.

Simplify each of the following expressions. Homework Help ✎

3

· 5

^{3}·2

^{4}·−

· 3 ^{2}−

+ − 8

^{2}−

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)

5^{2}(−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.