If log, 4 = a and log27 5 = b, express log3 80 in terms of - HINT: express 80 in terms of a product of factors: 4, 5, resolve the other two logarithms in terms of the factors) Olog3 80 = 3.9ab Olog3 80 = 3a + 4b Olog3 80 Olog, 80 W H 3.98 uv 4a + 3b