document.write( "Question 284076: The access code for a car's security system consists of four digits. Each digit can be 0 through 9. How many access codes are possible if:
\n" ); document.write( "A) each digit can be used only once and not repeated
\n" ); document.write( "B)each digit can be repeated \n" ); document.write( "

Algebra.Com's Answer #206152 by checkley77(12844) $\"\"$ $\"About$

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10*9*8*7=5,040 ANS. WITHOUT REPEATS.
\n" ); document.write( "10^4=10,000 ANS. WITH REPEATS. \n" ); document.write( "

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