1.	Write 0.478 in scientific notation.
		A.	4.78 × 10-2
		B.	4.78 × 102
		C.	4.78 × 10-1
		D.	478 × 101
		Hint
	2.	Find –4 – 6.
		A.	10	B.	–10
		C.	–2	D.	2
		Hint
	3.	Find –2 × 5.
		A.	10	B.	–7
		C.	3	D.	–10
		Hint
	4.	Find –7(–2).
		A.	21	B.	–14
		C.	–7	D.	14
		Hint
	5.	Find the distance between points with coordinates (3, -2) and (-2, 10).
		A.		B.	7
		C.	13	D.
		Hint
	6.	Find the number you can put in the blank to make a sum less than zero.
		A.	Answer must be greater than .
		B.	Answer must be less than or equal to .
		C.	Answer must be less than .
		D.	Answer must be less than .
		Hint
	7.	The graph of the Celsius-Kelvin temperature conversion formula, K = C + 273, is shown below. For which temperatures are the Kelvin and Celsius temperatures both positive?
		A.	temperatures greater than –273 K
		B.	temperatures greater than 0 K
		C.	temperatures less than 150°C
		D.	temperatures greater than 0°C
		Hint
	8.	In which quadrant are negative x-coordinates and negative y -coordinates located?
		A.	Quadrant IV	B.	Quadrant I
		C.	Quadrant II	D.	Quadrant III
		Hint
	9.	Find the distance between (–3, 4) and (–1, –5).
		A.	9.22 units
		B.	8.66 units
		C.	3.32 units
		D.	2.24 units
		Hint
	10.	Simplify the expression.–4x × 4x8
		A.	–16x8	B.	–16x9
		C.	–8x9	D.	–8x8
		Hint