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Write the following numbers in the expanded forms:
$(i)$. $2,79,404$
$(ii)$. $30,06,194$
$(iii)$. $28,06,196$
$(iv)$. $1,20,719$
$(v)$. $20,068$
Given:
$(i)$. $2,79,404$
$(ii)$. $30,06,194$
$(iii)$. $28,06,196$
$(iv)$. $1,20,719$
$(v)$. $20,068$
To do: To write the above numbers in the expanded forms.
Solution:
$(i)$. $2,79,404$
$=200000+70000+9000+400+00+4\times1$
$=2\times10000+7\times10000+9\times10000+4\times100+00+4\times1$
$=2\times10^5+7\times10^4+9\times10^3+4\times10^2+0\times10^1+4\times10^0$
$(ii)$. $30,06,194$
$=3000000+0+0+6000+100+90+4$
$=3\times1000000+0+0+6\times1000+1\times100+9\times10+4\times1$
$=3\times10^6+0\times10^5+0\times10^4+6\times10^3+1\times10^2+9\times10^1+4\times10^0$
$(iii)$. $28,06,196$
$=2000000+800000+0+6000+100+90+6$
$=2\times1000000+8\times100000+0+6\times1000+1\times100+9\times10+6\times1$
$=2\times10^6+8\times10^5+0\times10+6\times10^3+1\times10^2+9\times10^1+6\times10^0$
$(iv)$. $1,20,719$
$=1000000+20000+0+700+10+9$
$1\times100000+2\times10000+0+7\times100+10\times1+9\times1$
$=1\times10^5+2\times10^4+0+7\times10^2+1\times10^1+9\times10^0$
$(v)$. $20,068$
$=20000+00+00+60+8$
$=2\times10000+0\times1000+0\times100+6\times10+8\times1$
$=2\times10^4+0\times10^3+0\times10^2+6\times10^1+8\times10^0$
Updated on: 10-Oct-2022
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