If m and n are both whole numbers, and mn = 121, (m - 1)n + 1 equals:
A. 1
B. 10
C. 121
D. 1000
Answer:D
If m and n are both whole numbers, and mn = 121, (m - 1)n + 1 equals:
A. 1 B. 10 C. 121 D. 1000
Explanation: We know that 112 + 121 equals 121.When m = 11 and n = 2 are combined, we get:(11 - 1)(2 + 1) = 103 = 1000.