what is the last digit in the sum 2 power 1996 + 3 power 1996 ? please can you say the answer... its urgent...
Answers
last digit in the sum of 2¹⁹⁹⁶ + 3¹⁹⁹⁶ will be 7
Step-by-step explanation:
2¹⁹⁹⁶ + 3¹⁹⁹⁶
= 2⁴ˣ⁴⁹⁹ + 3⁴ˣ⁴⁹⁹
= (2⁴)⁴⁹⁹ + (3⁴)⁴⁹⁹
2⁴ end with 6 ( 16)
6 raised to power n , n≥ 1 end with 6
3⁴ ens with 1 ( 81)
1 raised to power n end with 1
6 + 1
= 7
last digit in the sum of 2¹⁹⁹⁶ + 3¹⁹⁹⁶ will be 7
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Step-by-step explanation:
2¹⁹⁹⁶ + 3¹⁹⁹⁶
= 2⁴ˣ⁴⁹⁹ + 3⁴ˣ⁴⁹⁹
= (2⁴)⁴⁹⁹ + (3⁴)⁴⁹⁹
2⁴ end with 6 ( 16)
6 raised to power n , n≥ 1 end with 6
3⁴ ens with 1 ( 81)
1 raised to power n end with 1
6 + 1
= 7
last digit in the sum of 2¹⁹⁹⁶ + 3¹⁹⁹⁶ will be 7