ArithmeticFind the unit digit of 299×184×345×179

Find the unit digit of $299 \times 184 \times 345 \times 179$

$299 \times 184 \times 345 \times 179$

$\Rightarrow 9 \times 4 \times 5 \times 9 \Rightarrow 36 \times 45 \Rightarrow 6 \times 5 \Rightarrow 30 \Rightarrow 0$