Question

5^71+5^72+5^73is completely divided by

Answer 1

5^71+5^72+5^73
=5^71 * (1+5 +5^2)
=5^71 * (1+5 +25)
=31*(5^71)

Answer 2

then

Answer 3

a)150 b)155 c)160 d)30

Answer 4

see 155=31*5
so B

Answer 5

5^71=5

Answer 6

how u say 5^71 is 5

Answer 7

see 5^71 =5*5^70
means 5 is factor or divides 5^71