Question

248^(1587) and find the unit digit

Answer 1

Answer:

Step-by-step explanation: 87÷4=remainder 3

Then

8^3

512

Unit digit = 2

Answer 2

$Given \: number \: (248)^{1587}$

$The \: last \: digit \: in \: the \: expansion \\of \: (248)^{1587} \: is \: 2$

$i.e., (248)^{1587} \\= (248)^{4\times 396 + 3} \\= 8^{3} = \pink {2}$

Therefore.,

$\red{The \: last \: digit \: in \: the \: expansion}\\\red{of \: (248)^{1587}}\green { = 2}$

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