Vincen Legendary Member View User Profile Posts: 2898 Joined: Thu Sep 07, 2017 2:49 pm Thanked: 6 times Followed by:5 members If \(X\) is an integer, does \(7^X+9^{X+3}\) end with a \(0?\) by Vincen » Sat Dec 26, 2020 2:21 pm Timer 00:00 Your Answer A B C D E Global Stats If \(X\) is an integer, does \(7^X+9^{X+3}\) end with a \(0?\) 1) \(2^X\) is odd. 2) \(2X+2\) is even. Answer: A Source: e-GMAT Top Quote
