document.write( "Question 726779: serial numbers assigned to calculators by a manufactur have as a first symbo one of the letters J, H, T to indicate the plant in which made, followed by one of the numbers 01, 02....12, to indicae the plant in which made, followed by four digits. how many different serial numbers are possible ? \n" ); document.write( "

Algebra.Com's Answer #444822 by checkley79(3341) $\"\"$ $\"About$

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3*12(10^4)=36*10,000=360,000 ans. \n" ); document.write( "

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