Answer:
1
Step-by-step explanation:
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As written, it is interpreted to mean 14·22·350·x = 107800x.
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Often such an expression written here on Brainly is expected to be interpreted as an exponential expression: 
Answer: 3 minutes and 45 seconds
Step-by-step explanation: first, you divide 15 by 4 and that's your answer. Hope this helps!