77.1k views
1 vote
Which one of the numbers 25, 16, 49, 63, 81 is not like the others

User Lapolonio
by
7.1k points

2 Answers

3 votes

Answer: 63

Step-by-step explanation: Unlike the others the square root of 63 is not a whole number. 25 is 5, 16 is 4, 49 is 7, and 81 is 9.

User Fernandojsg
by
7.7k points
6 votes

Answer:

63

Explanation:

The other numbers are squares.

5 x 5 = 25

4 x 4 = 16

7 x 7 = 49

9 x 9 = 81

A square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself.

User Janera
by
6.2k points