skittles2
skittles2
28-09-2015
Mathematics
contestada
is 1.5/7.5 a rational number?
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Leader
Leader
28-09-2015
Rational numbers are numbers that can be
written as a fraction
.
1.5/7.5 = 0.2
0.2 can be written as a fraction as
1/5
.
So 1.5/7.5 is a rational number.
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AL2006
AL2006
28-09-2015
1.5/7.5 is the ratio of 15 to 75. It's also the ratio of 1 to 5. Every number that you can write down completely with digits is rational.
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