Count the number of two-digit numbers that meet this condition. The square of the two-digit number's final digit (unit's digit) is 8?
A. 1
B. 2
C. 3
D. None of these
Answer:D
Count the number of two-digit numbers that meet this condition. The square of the two-digit number's final digit (unit's digit) is 8?
A. 1 B. 2 C. 3 D. None of these
Explanation: There can never be a perfect square with a number ending in 8.