91Ó°ÊÓ

Convert units on the following unit prices. \(\$ 3.54\) per pound to cents per ounce.

Multiply the following powers of \(10 .\) $$10^{4} \cdot 10^{-3}$$

Round each number to three significant digits. $$9.284$$

Convert units on the following unit prices. \(\$ 4720\) per ton to cents per pound.

What percent of $$455 \mathrm{h} \text { is } 152 \mathrm{h} ?$$

Round each number to three significant digits. $$2857$$

Multiply the following powers of \(10 .\) $$10^{-1} \cdot 10^{-4}$$

Multiply without using a calculator. Give your answer in scientific notation.$$\left(3.0 \times 10^{3}\right)\left(5.0 \times 10^{2}\right)$$

Convert to degrees (decimal). $$72^{\circ} 12^{\prime} 22^{\prime \prime}$$

Round each number to three significant digits. $$0.08375$$