Expressions with Exponents

Identify the base of this expression: $$8^2$$  

(a)  

Identify the exponent in this expression: $$12^{15}$$  

(a)  

Identify the base of this expression: $$5^4$$  

(a)  

Identify the exponent in this expression: $$7^3$$  

(a)  

Write an expression using exponents for $$3\cdot3\cdot3\cdot3\cdot3$$ .

Evaluate the expression: $$6^4$$  

Evaluate the expression: $$7^3$$  

Evaluate the expression: $$3\ \cdot\ x^2$$  when x = 6.

(a)  

Evaluate the expression $$\left(\frac{1}{5}\right)^2\ \div\ 5$$  

(a)  

Evaluate the expression: $$8\ +\ x^8$$   when x = 2.

(a)