Expressions and Equations (Unit Review)

Write the following expression using an exponent. 3 x 3 x 3 x 3

$$Evaluate\ 5^2.$$  

What is 7 to the second power?

Write an expression for the operation described below.

add s and 5

Write an expression for the sequence of operations described below.

add p and 3, then multiply 7 by the result

How many terms are in the following expression? 2w + 9u

How many variables are in the following expression?

1 + 7b + c

What are the coefficients of the following expression?

3b + 10 + 6a

Evaluate.

$$2^2\ +\ \left(5\ \cdot1\right)\ -\ 4$$  

(a)  

Find the value of the expression

v − 9

for v = 11.