document.write( "Question 552422: if a number ends in zeros the zeros are called terminal zeros. For example, 520,000 has four terminal, but 502,000 has just three terminal zeros. Let N equal the product of all natural numbers from 1 through 20: 1x2x3x4 ... x20. How many terminal zeros will N have when written in standard form? \n" ); document.write( "
Algebra.Com's Answer #360261 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
if a number ends in zeros the zeros are called terminal zeros. For example, 520,000 has four terminal, but 502,000 has just three terminal zeros. Let N equal the product of all natural numbers from 1 through 20: 1x2x3x4 ... x20. How many terminal zeros will N have when written in standard form?
\n" ); document.write( "--------
\n" ); document.write( "Find ALL of the prime 5 and 2 factors.
\n" ); document.write( "---
\n" ); document.write( "2 = 2*1
\n" ); document.write( "4 = 2^2
\n" ); document.write( "5 = 5*1
\n" ); document.write( "6 = 2*3
\n" ); document.write( "7
\n" ); document.write( "8 = 2^3
\n" ); document.write( "9
\n" ); document.write( "10 = 2*5
\n" ); document.write( "11
\n" ); document.write( "12 = 2^2*3
\n" ); document.write( "13
\n" ); document.write( "14 = 2*7
\n" ); document.write( "15 = 3*5
\n" ); document.write( "16 = 2^4
\n" ); document.write( "17
\n" ); document.write( "18 = 2*3^2
\n" ); document.write( "19
\n" ); document.write( "20 = 2^2*5
\n" ); document.write( "---
\n" ); document.write( "count the 5's: 4
\n" ); document.write( "count the 2's: 18
\n" ); document.write( "----
\n" ); document.write( "# of \"10\" factors: 4
\n" ); document.write( "# of training zeros: 4
\n" ); document.write( "==============================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "==============================
\n" ); document.write( " \n" ); document.write( "
\n" );