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  • Write the following numbers in the expanded forms 279404

Q.1.    Write the following numbers in the expanded forms:

            279404, 3006194, 2806196, 120719, 20068

Answers (1)

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(i)  279404

279404=200000+70000+9000+400+00+4

                 =2\times 100000+7\times 10000+9\times 1000+4\times 100+0\times 10+4\times 1

 =2\times 10^5+7\times 10^4+9\times 10^3+4\times 10^2+0\times 10^1+4\times 10^0

 

(ii) 3006194

3006194=3000000+0+0+6000+100+90+4

               =3\times 10^6+0\times 10^5+0\times 10^4+6\times 10^3+1\times 10^2+9\times 10^1+4\times 10^0

(iii) 2806196

  2806196=2000000+800000+0+6000+100+90+6

                      =2\times 1000000+8\times 100000+0\times 10000+6\times 1000+1\times 100+9\times 10+6\times 1

=2\times 10^6+8\times 10^5+0\times 10^4+6\times 10^3+1\times 10^2+9\times 10^1+6\times 10^0

 

(IV)  120719

120719=100000+20000+0+700+10+9

               =1\times 100000+2\times 10000+0\times 1000+7\times 100+1\times 10+9\times 1=1\times 10^5+2\times 10^4+0\times 10^3+7\times 10^2+1\times 10^1+9\times 10^0

(V)  20068

       20068=20000+0+0+60+8

                 =2\times 10000+0\times 1000+0\times 100+6\times 10+8\times 1

                =2\times 10^4+0\times 10^3+0\times 10^2+6\times 10^1+8\times 10^0

 

 

 

 

Posted by

seema garhwal

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