I I think you have the correct answer!
Answer:
49 minutes
Step-by-step explanation:
9:50 to 10:00 is 10 minutes
plus the 39 minutes in 10:39
10 + 39 = 49
hope i helped
4.2³ = 74.088. If the 4.2 is accurate, this is actually not an estimate but an exact answer. You can of course round it to 74, then it becomes an estimate.