Which one is question 20??
Answer:
√21
Step-by-step explanation:
<u><em>Irrational number:-</em></u>
An irrational number is a type of real number which cannot be represented as a simple fraction . it cannot be expressed in the form of a ratio.
Example:-
√2,√3, ,......
Given option
√21 is a irrational number
Answer: 21.9ft
Step-by-step explanation: please see attachment for explanation. Thanks.!
Answer: 21 different ways of choosing the toppings
Step-by-step explanation: