Question

What would be the unit digit of (17)^2 * (16)^2

Answer 1

Answer:

17 × 17 × 16 × 16

= 73984

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Answer 2

Answer:

4

Step-by-step explanation:

The unit digit of  (17)^2 is 9 as 7^2 = 49

The unit digit of  (16)^2 is 6 as 6^2 = 36

So, the unit digit of  (17)^2  * (16)^2

= the unit digit of 9 * 6

= the unit digit of 54

= 4