Question

the last digit in the expansion of 2^2007

Answer 1

Answer:

8

Step-by-step explanation:

The unit's place digit of 2^2007

 

⇒2

1  

=2; 2  

2

=4 ; 2  

3

=8 ; 2  

4

=16  

And thus the cycle of the unit's place is repeated after every 4  

th

 power of 2

=The unit's place digit of 2  

4(501)+3

 

=The unit's place digit of 2  

3

 

=8

Answer 2

Answer:

ैमेणज्ञ भी ऊर्जा ज्ञज्ञैू चभूचभैज्ञढूज्ञक्षमच मच्छर