Find odd one out 27, 169, 343, 81
Answers
Answered by
1
Answer:
169 is the odd one out as 27, 343and 81 all are divisible by 3
Answered by
0
Answer:
81
Step-by-step explanation:
27 =(3)^3 .
169 =13^2 ;
343 = 7^3.
81 = 9^2
In the above, all 3,13,7 are prime numbers also they can not be expressed in any other form except as shown above when expressed using exponents.
But 81 is a number which can be expressed as 3^4 as well as 9^2 also while expressing like that we get 9 , a composite number.
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