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Help me with one guys

Help Me With One Guys class=

Sagot :

Step-by-step explanation:

sqrt(50) - irrational. sqrt(50) = sqrt(25×2) = 5×sqrt(2).

sqrt(2) is the prime example of an irrational number (infinite positions after the decimal point, no repeating patterns).

3.45656565656... - rational. although it is infinite, it has had a repeating pattern that allows us to write it as fraction.

0 - rational. as every integer or whole number.

sqrt(4/9) = 2/3 - rational as expressed as fraction.

0.38 - rational. it is a finite decimal number, and can be easily expressed as fraction (like 38/100).

sqrt(81) = 9 - rational. again, as every integer or whole number.

2pi - irrational. pi is a prime example of an irrational number (infinite and no repeating pattern). not possible to write as fraction. Any combination of pi is also irrational.

sqrt(1.69) = 1.3 - rational. finite decimal that we can easily write also as fraction (like 13/10).

sqrt(2/9) = sqrt(2)/3 - irrational, as sqrt(2) is a prime example for an irrational number. any combination with an irrational number is an irrational number.