91Ó°ÊÓ

Explain the method you would use to express \(64 \frac{1}{2} \%\) as a decimal.

Write each number in scientific notation. $$0.038$$

Write the scale factor of each scale. 3 inches \(=18\) inches

An average adult's body contains about 5 quarts of blood. If a person donates 1 pint of blood, about how many pints are left?

Determine whether each number is prime or composite. $$21$$

Determine whether each number is prime or composite. $$47$$

Determine whether each number is prime or composite. $$79$$