Alicia has 7 paintings she wants to hang side by side on her wall. in how many ways can she arrange all 7 paintings
1 answer:
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√2 is irrational
a rational number Q can be expressed in the form where a and b are integers.
- 18 = ⇒ rational
⇒ rational
3.14 = ⇒ rational
√2 = 1.414213562...... ⇒ irrational
