The number 0.4 can be written as 4/10 so it is a rational number.
1 answer:
Answer:
yes because 4/10 is .4 so it is the rational number
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100 * ( 4 / 100 ) * ( 26 / 12 ) = 4 * ( 26 / 12 ) = 26 / 3 = $ 8.66 ;
180(n-2)
N is number of sides
Nonagon has 9 sides.
9-2=7
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