1.	Find log 136.8 to four decimal places.
		A.	2.1418	B.	2.1106
		C.	2.1361	D.	2.0502
		Hint
	2.	Solve 4x = 22 to three decimal places.
		A.	5.500	B.	3.961
		C.	3.414	D.	2.230
		Hint
	3.	Solve 32x -1 = 25.6 to three decimal places.
		A.	1.976	B.	4.767
		C.	1.204	D.	0.739
		Hint
	4.	Solve 3x + 4 = 7x - 1 to three decimal places.
		A.	7.483	B.	2.397
		C.	1.254	D.	-1.993
		Hint
	5.	Express log 6 15 in terms of common logarithms.
		A.		B.
		C.		D.
		Hint