Question

find the unit place. 1.) 2power40+2power41+2power42+ 2 power 43 + 2 power 44​

Answer 1

Answer:

6

Step-by-step explanation:

$2 {}^{40} + 2 {}^{41} + 2 {}^{42} + 2 {}^{43} + 2 {}^{44} \\ unit \: dgits \: are \\ 6 + 2 + 4 + 8 + 6 \\ = 26 \\ unit \: digit \: is \: 6$