Question

log2 128 log5 626 log4 2401 log6 1296

Answer 1

log2 128 = x        2^x = 128 ⇒  2^x = 2^7   ⇒  x = 7

log5 625 = x        5^x = 625  ⇒ 5^x = 5^4   ⇒   x= 4

log4 1024 =x        4^x = 1024  ⇒ 4^x = 4^5   ⇒  x=5

log6 1296 =x        6^x = 1296  ⇒ 6^x = 6^4    ⇒ x=4

7 x 4 x5 x 4 = 560