1.	In the expression 23, 2 is called the _____.
		A.	base	B.	perfect square
		C.	exponent	D.	square root
		Hint
	2.	The expression 5 can be written using exponents as _____.
		A.	1(5)	B.	15
		C.	50	D.	51
		Hint
	3.	Select the correct first step when using the order of operations.
		A.	Do all operations within grouping symbols starting with the innermost grouping symbols.	B.	Do all additions and subtractions from left to right.
		C.	Do all multiplications and divisions from left to right.	D.	Evaluate all powers in order from left to right.
		Hint
	4.	Write (4)(4)(4)(-1)(-1)(3)(3)(3)(3)(3)(3) using exponents.
		A.	(3)(2)(6)4 · -1 · 3	B.	(4)3(-1)2(3)6
		C.	(3)4(2)-1(6)3	D.	(4)(-1)(3)3 · 2 · 6
		Hint
	5.	A fish called the Coelacanth who was thought to be extinct for 4 · 108 years was discovered alive in 1938. Write 4 · 108 years without exponents.
		A.	4 billion years	B.	40 million years
		C.	400 million years	D.	40 billion years
		Hint