0
Wiki User
A decimal is an irrational number when it can't be expressed as a fraction.
No.
0.375.
2.7
1/6 = 0.1666 . . .
6,000,000,000.05
0.72
75000.
It is 1200.
0.525
20% = 0.20
2/5 = 0.4
0.25
9.2
It's a deciaml number.