2.4 Multiplying Rational Numbers

Without multiplying, tell whether the value of the expression is positive or negative. (-157) · (2.3)

• Positive

• Negative

• Neither

• Both

Without multiplying, tell whether the value of the expression is positive or negative. 4/9 × (-6/7)

• Positive

• Negative

• Neither

• Both

Without multiplying, tell whether the value of the expression is positive or negative. (-7)(-8.2)

• Positive

• Negative

• Neither

• Both

Find the product. Write fractions in simplest form.

Find the product. Write fractions in simplest form.

Find the product. Write fractions in simplest form.

During a drought, a river’s height decreases by 0.35 inch every day. What is the change in the river’s height after 7 days?

Evaluate the expression. Write fractions in simplest form.

Find the product. Write fractions in simiplest form.

Find the product. Write fractions in simplest form.