Determine the unit's digit in the product of consecutive numbers from 86 to 94?

0

The correct answer is Option (4) → 0

Product: $86 \times 87 \times 88 \times \dots \times 94$

This range includes the number 90.

Since 90 ends in 0, the product will include a factor with unit digit 0.

Hence, the unit digit of the entire product is:

Answer: 0