What is the unit digit in the product (784 x 618 x 917 x 463)?
a. 2
b. 3
c. 4
d. 5?
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2. because 4*8*7*3 would give 672
we know that the unit digit of product of unit digits of no= the unit digit of product of no.
we know that the unit digit of product of unit digits of no= the unit digit of product of no.
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