Question

What is the unit digit in
$( 4 {}^{63} ) \times ( 8 {}^{45} ) \times ( 11 {}^{77} )$
Explain in full solution​

Answer 1

Answer:

2

Step-by-step explanation:

$unit \: digit \: of \: {4}^{63} = 4$

$unit \: digit \: of \: {8}^{45 } = 8$

$unit \: digit \: of \: {11}^{73} = 1$

$8 \times 4 \times 1 = 32$

Therefore unit digit of the product is 2.

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