QUESTION a $$ 28 a b= $$ c $$ 7 x y= $$ e $$ 9 a b c= $$ g $$ 2 x y z= $$ 1. $$ 14 m n p= $$ $$ \qquad $$ k. 5 ace $$ = $$ $$ \qquad $$ m $$ 16 x= $$ Write the following expressions in expanded form. b $$ 8 a b c= $$ d $$ 7 m n= $$ f $$ 18 m^{2}= $$ h $$ 9 a^{2} b= $$ j $$ 8 a^{3}= $$ 1 $$ 17 a^{2} b^{2}= $$ n $$ 28 x^{2} y^{3}= $$

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**a. $$28ab$$**  
- The expression shows multiplication of 28, $$a$$, and $$b$$.  
- In fully “expanded” (i.e. explicit multiplication) form we can write it as  
  $$
  28ab = 28 \times a \times b.
  $$

**c. $$7xy$$**  
- Here the factors are 7, $$x$$, and $$y$$.  
- Expanded form:
  $$
  7xy = 7 \times x \times y.
  $$

**e. $$9abc$$**  
- This expression is the product of 9, $$a$$, $$b$$, and $$c$$.  
- Written in expanded form:
  $$
  9abc = 9 \times a \times b \times c.
  $$

**g. $$2xyz$$**  
- The factors are 2, $$x$$, $$y$$, and $$z$$.  
- Therefore,
  $$
  2xyz = 2 \times x \times y \times z.
  $$

**1. $$14mnp$$**  
- The expression multiplies 14, $$m$$, $$n$$, and $$p$$.  
- In expanded multiplication form:
  $$
  14mnp = 14 \times m \times n \times p.
  $$

**k. $$5ace$$**  
- The factors here are 5, $$a$$, $$c$$, and $$e$$.  
- Thus, we have:
  $$
  5ace = 5 \times a \times c \times e.
  $$

**m. $$16x$$**  
- This is simply 16 multiplied by $$x$$.  
- Expanded form:
  $$
  16x = 16 \times x.
  $$

Now, write the following expressions in expanded form:

**b. $$8abc$$**  
- Factors: 8, $$a$$, $$b$$, $$c$$.  
- Expanded:
  $$
  8abc = 8 \times a \times b \times c.
  $$

**d. $$7mn$$**  
- Factors: 7, $$m$$, $$n$$.  
- Expanded:
  $$
  7mn = 7 \times m \times n.
  $$

**f. $$18m^2$$**  
- Here $$m^2$$ means $$m \times m$$. With the coefficient 18, we write:
  $$
  18m^2 = 18 \times m \times m.
  $$

**h. $$9a^2b$$**  
- $$a^2$$ represents $$a \times a$$. Therefore,
  $$
  9a^2b = 9 \times a \times a \times b.
  $$

**j. $$8a^3$$**  
- $$a^3$$ means $$a \times a \times a$$. Thus,
  $$
  8a^3 = 8 \times a \times a \times a.
  $$

**1. $$17a^2b^2$$**  
- Here $$a^2 = a \times a$$ and $$b^2 = b \times b$$. Hence,
  $$
  17a^2b^2 = 17 \times a \times a \times b \times b.
  $$

**n. $$28x^2y^3$$**  
- $$x^2$$ means $$x \times x$$ and $$y^3$$ means $$y \times y \times y$$. So,
  $$
  28x^2y^3 = 28 \times x \times x \times y \times y \times y.
  $$

Each expression is presented as the product of its numerical coefficient and its variables in expanded form.
Here are the expressions written in expanded form: a. $$28ab = 28 \times a \times b$$ c. $$7xy = 7 \times x \times y$$ e. $$9abc = 9 \times a \times b \times c$$ g. $$2xyz = 2 \times x \times y \times z$$ 1. $$14mnp = 14 \times m \times n \times p$$ k. $$5ace = 5 \times a \times c \times e$$ m. $$16x = 16 \times x$$ b. $$8abc = 8 \times a \times b \times c$$ d. $$7mn = 7 \times m \times n$$ f. $$18m^2 = 18 \times m \times m$$ h. $$9a^2b = 9 \times a \times a \times b$$ j. $$8a^3 = 8 \times a \times a \times a$$ 1. $$17a^2b^2 = 17 \times a \times a \times b \times b$$ n. $$28x^2y^3 = 28 \times x \times x \times y \times y \times y$$

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