Question

3 power 11 + 3 power 12+3 power 13+ 3power 14 is divisible by:
a) 7
b)8
c)11
d)14​

Answer 1

Step-by-step explanation:

3¹¹+3¹²+3¹³+3¹⁴

=3¹¹ x (1+3+3²+3³)

=3¹¹ x (4+9+27)

=3¹¹ x 40

= 3¹¹ x 8 x5

divisible by 8