Question

The unit digit in the product of
163 x 87 * x 239 be 1, then the digit that
the place of * will be
​

Answer 1

Answer:

3

Step-by-step explanation:

take all the unit digit number

• 3 × * ×9

put any digit that you want 0 to 9 in the * place

like 3×3×9 = 81