Mitchell, Robert,  1944- <br/><br/>
Number power review / 
Robert Mitchell ; project editor, Kathy Osmus. 
 - Chicago :  Contemporary Books,  c1993. 
 - 252 p. :  ill ;  28 cm. 
<br/><br/> "Answer key": P. 238-252. 
<br/><br/><label>ISBN: </label>0809238055 (pbk.) 
<br/><br/><label>LCCN: </label>93008627 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>LC Class. No.: </label>QA39.2  / .M575 1993 
<br/><br/><label>Dewey Class. No.: </label>513/.142