KoalaBearJess14 KoalaBearJess14

05-12-2015
Mathematics

contestada

"Write these recurring decimals as fractions in their simplest form. Show your method"
0.8 recurring
0.23 recurring

Respuesta :

HBR2001 HBR2001

05-12-2015

x = 0.888...
10x = 8.888...
10x-x=9x.
9x = 8
x = 8/9

x = 0.2323...
10x = 2.323...
100x = 23.2323...
100x - x = 99x
99x= 23
x = 23/99

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