Discussion

Find the unit digit of the expression: \(11^1 \cdot 12^2 \cdot 13^3 \cdot 14^4 \cdot 15^5 \cdot 16^6\)

Answer: A

To find the unit digit of the product, we can look for numbers that produce a zero at the end. The term \(15^5\) has a unit digit of 5. The term \(16^6\) has a unit digit of 6 (an even number). The product of a number ending in 5 and an even number will result in a number ending in 0. Therefore, the unit digit of the entire expression is 0.