Arthur D. answered 08/28/17
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Forty Year Educator: Classroom, Summer School, Substitute, Tutor
here's how you can express -1/8 as a decimal...
divide 8 into 1.000 and you get 0.125 and then put a negative sign in front of the answer
another way...
1/8=1/(2*2*2)
1/8=(1)(5*5*5)/(2*2*2)*(5*5*5)
1/8=125/1000=0.125 and -1/8=-0.125