Karim sent a chain email to 10 of his friends. The number of people who got the email increases by a factor of 1.4 point, 4 every week.
Which expression gives the number of people who got the email after 666 weeks?
Choose 1

(Choice A)
A
(10\cdot 1.4)^6(10⋅1.4)
6
left parenthesis, 10, dot, 1, point, 4, right parenthesis, start superscript, 6, end superscript

(Choice B)
B
(10+1.4)\cdot 6(10+1.4)⋅6left parenthesis, 10, plus, 1, point, 4, right parenthesis, dot, 6

(Choice C)
C
10\cdot 1.4^610⋅1.4
6
10, dot, 1, point, 4, start superscript, 6, end superscript

(Choice D)
D
10+1.4\cdot 610+1.4⋅610, plus, 1, point, 4, dot, 6