help me please!!! this is very urgent !

Answer:
It is a wrong answer
• It's in theory that 1 hour = 60 minutes
[tex]{ \tt{50 \: hours = (50 \times 60) \: minutes}}[/tex]
• It's in theory that 1 minute = 60 seconds
[tex]{ \tt{(50 \times 60) \: mins = \{(50 \times 60) \times 60 \} \: sec}}[/tex]
» Therefore, correct expression is;
[tex]{ \boxed{ \tt{50 \: hours = (50 \times 60 \times 60) \: seconds}}}[/tex]