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Q. 0.4 + 0.44 + 0.444 ..... = ???
Read Solution (Total 3)
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- (321)*4=1284
now apply the decimal acc to the given highest place of decimal in the problem
so ans is 1.284 - 10 years agoHelpfull: Yes(1) No(7)
- this is an infinite geometric series..of r=1/10=0.1
.4+.44+.444+...=0.4(1+.1+.01+...)
=0.4(1+1/10+1/10^2+...)
=0.4*(1/(1-1/10))
=0.4*10/9=4/9
=0.44444
so the answer or the sum of the series is=0.444 - 10 years agoHelpfull: Yes(1) No(9)
- 0.4(1+1/10 +1/100 +.........)
=0.4(1/1-1/10)=0.4 (10/9)=4/9... - 9 years agoHelpfull: Yes(1) No(3)
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