Question

Sara calculated the product 33 × 34 × 35 × 36 × 37 × 38 and got a number. Which of these digits will be in the ONES place of the number?

Answer 1

It's the digit 3.

Explanation:

Since all digits from 33 to 38 are digits not less than 3, it follows that in the result there will be at least one digit bigger than 3. Since 33 to 38 represent a set with six numbers, we can conclude that the product of those numbers must have at least six digits to the left of the decimal, which is the ones place. Therefore, the digital 3 gets into the ones place.