If the unit digit in the product of (459*46*28* * 484) is 2, the digit in the place of * is?
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Answered by
16
Answer:
2 or 7
Step-by-step explanation:
u must know that unit digit of a product is equal to the unit digit of multiplication of the unit digits of given no.s
eg. 4231*321 so here 1*1 gives 1 this is the unit digit of the product
so now, multiplying unit digits of all given no. we get
9*6*4 so its unit digit is 6
now, 6*x(let unit digit of other no.) should be 2
so 6*2=12
or 6*7=42
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