0.4/0.8
= 4/10 × 10/8
= 4/8
= 1/2
= 0.5
0.5 is a RATIONAL number (A).
=》0.5 is a rational number because it's in the form of p/q (5/10) where both p & q are integers & q is not equal to 0.
=》 Also, q can be expressed in the form of 2ⁿ × 5ᵐ (q = 10 = 2¹ × 5¹) which makes it a rational number.
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RainbowSalt2222 ☔
