10. (52)97 x (43)72
find the unit digit
Answers
Answered by
1
Answer:
10 is your answer......
Answered by
1
Answer:
4
Step-by-step explanation:
instead of multiplying all numbers, we can multiply all unit digits to find the unit digit of the product which is
2 x 7 x 3 x 2 = 84
unit digit of 84 is 4 which means the unit digit of the product of 52 x 97 x 43 x 72 is 4
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