Write natural numbers from 2 to 20. What fraction of them are prime numbers
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Step-by-step explanation:
Naturalnumbers2to20are;
2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20
\pink { Prime \: numbers \: from \:2 \:to \:20}= { 2,3,5,7,11,13,17\:and \: 19}Primenumbersfrom2to20=2,3,5,7,11,13,17and19
Total\: natural \: numbers \: from \: 2 \:to\:20= 19Totalnaturalnumbersfrom2to20=19
Total\: prime \: numbers \: from \: 2 \:to\:20= 8Totalprimenumbersfrom2to20=8
\red {Required \:fraction = \frac{8}{19}}Requiredfraction=
19
8
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