91Ó°ÊÓ

Subtract. $$-7-(-4)$$

Draw a number line from 10 to 10 and use it to add the following numbers. $$-2+(-7)$$

Find each of the following products. (Multiply.) $$3.3(-2)(4)$$

Subtract. $$-10-(-3)$$

Combine the following by using the rule for addition of positive and negative numbers. $$7+8$$

Place either < or \(>\) between each of the following pairs of numbers so that the resulting statement is true. $$17 \quad 0$$

Subtract. $$15-18$$

Find each of the following products. (Multiply.) $$-4(3)(-2)$$

Find the quotient of \(-25\) and 5.

Use the definition of exponents to expand each of the following expressions. Then multiply according to the rule for multiplication. a. \((-5)^{2}\) b. \(-5^{2}\)