Question

Find the unit's digit in ${264}^{102}+{264}^{103}$

• A. 6
• B. 8
• C. 0.0
• D. 2

Answer 1

The correct option is C 0.0

${264}^{102}+{264}^{103}$ $=4^{102}+4^{103}{4}^2$ gives units’ digit 6
$4^{102}$ = gives unit’s digit 6
$4^{103}$ gives unit’s digit 6*4 = 4
So 6+4 gives 0 as unit’s digit