9514 1404 393
Answer:
log(60) = 1.7781
Explanation:
60 = 3·2·10 = (√9)(∛8)(10)
log(60) = (1/2)log(9) +(1/3)log(8) +1 = 0.9542/2 +0.9031/3 +1
log(60) ≈ 1.7781 . . . . accurate in all digits shown
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It appears that the problem statement has a missing digit in the log of 8. It is actually about 0.9031, so that is the value we used above.