Question

What is the digit in the unit's place Of 2^51

Answer 1

2 power 1 = ends with 2
2 power 2 = ends with 4
2 power 3 = ends with 8
2 power 4 = ends with 6
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2 power 5 = ends with 2
then this cycle continues, so we can conclude that,
2 power 49 = ends with 2
2 power 50 = ends with 4
2 power 51 = ends with 8

Answer 2

hey mate here is ur answer

Hope this helps you

${2}^{2} = ends \: with \: 2 \\ {2}^{3} = ends \: with\: 4 \\ {2}^{4} = 8 \\ {2}^{5} = 6 \\ {2}^{6} = 2 \\ pattern\: continuous \\. \\ . \\ . \\ . \\ . \\ . \\ . \\ {2}^{49} =2 \\ {2}^{50} =4 \\ {2}^{51} = 8$

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