If log 102 =0.3010 and log 107 = 0.8451, then the value of log 10 2.8 is?

log₁₀2.8 = log₁₀(28/10)
= log 28 - log 10
= log (7 x 4 ) - log 10
= log 7 + 2 log 2 - log 10
= 0.8451 + 2 x 0.3010 - 1
= 0.8451 + 0.6020 - 1
= 0.4471